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English

Segment disclosures

Company overview

GP STRATEGIES CORP

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

205 dimension combinations 781 retained observations 10 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Geography Eliminations · Business Transformation Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:GeographyEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31-15148000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-30-4423000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30-10952000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-30-3753000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30-6529000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-31-2776000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31-8266000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Geography Eliminations · Workforce Excellence Member

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:GeographyEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31-26688000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-30-7258000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30-18765000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-30-7901000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30-11507000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-31-3606000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31-19576000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · Americas · Business Transformation Services

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AmericasMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31193129000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3043625000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30142581000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3052974000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3098956000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3145982000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31165807000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · Americas · Workforce Excellence Member

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AmericasMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31230236000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3058469000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30170953000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3057799000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30112484000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3154685000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31213938000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · Asia Pacific · Business Transformation Services

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3125354000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-304753000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3016583000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-306696000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3011830000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-315134000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-312634000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · Asia Pacific · Workforce Excellence Member

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3134300000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-309558000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3024393000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-308693000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3014835000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-316142000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-3130688000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · EMEA · Business Transformation Services

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3150160000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3012560000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3036680000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3012437000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3024120000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3111683000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-3138171000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Reportable Geographical Components · EMEA · Workforce Excellence Member

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3191947000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3021721000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3066418000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3022468000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3044697000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3122229000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-3191764000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Operating Segments · Business Transformation Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31253495000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3056515000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30184892000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3068354000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30128377000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3160023000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31198346000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Operating Segments · EMEA Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3129973000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3131898000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Operating Segments · Emerging Markets

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3012721000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3033718000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3017126000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3044396000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Operating Segments · Workforce Excellence Member

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31329795000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3082490000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30242999000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3081059000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30160509000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3179450000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31316814000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Operating Segments · North America

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3077436000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-30237654000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3092302000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30292122000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Aerospace Market Sector · Aerospace Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-317754000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-313683000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Aerospace Market Sector · Aerospace Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3127511000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3125989000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Aerospace Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-301317000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-303350000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-30872000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-302033000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-311161000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Aerospace Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-308644000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3022198000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-307102000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3013554000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-316452000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Automotive Market Sector · Automotive Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31155105000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-31105431000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Automotive Market Sector · Automotive Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3110024000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3110646000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Automotive Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-3032143000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30111855000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3043631000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3079712000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3136081000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Automotive Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-302354000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-306176000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-302129000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-303822000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-311693000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Electronics Semiconductor Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-311495000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-31857000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Electronics Semiconductor Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3113906000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3115070000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-30389000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30983000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-30340000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30594000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-31254000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-303229000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3011444000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-304093000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-308215000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-314122000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Energy Oiland Gas Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-315693000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-314752000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Energy Oiland Gas Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3135604000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3137088000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-301488000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-304290000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-301619000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-302802000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-311183000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-307910000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3027972000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-308687000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3020062000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3111375000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Financialand Insurance Market Sector · Financialand Insurance Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3110715000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3112303000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Financialand Insurance Market Sector · Financialand Insurance Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3182434000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3187813000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Financialand Insurance Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-302890000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-307784000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-302400000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-304894000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-312494000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Financialand Insurance Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-3024450000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3062847000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3019770000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3038397000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3118627000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Informationand Communication Market Sector · Informationand Communication Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-317913000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-319510000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Informationand Communication Market Sector · Informationand Communication Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3114294000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3114083000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Informationand Communication Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-31629000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-301961000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-306338000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-302073000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-304377000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-31459000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Informationand Communication Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:InformationandCommunicationMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-314115000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-302909000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3010372000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-304002000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-307463000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-315306000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Life Sciences Market Sector · Life Sciences Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-316370000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-318750000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Life Sciences Market Sector · Life Sciences Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3119560000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3115009000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Life Sciences Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311214000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-301321000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-305060000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-301624000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-303739000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-311933000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Life Sciences Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:LifeSciencesMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-315108000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-305091000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3014799000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-304996000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-309708000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-314894000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Manufacturing Market Sector · Manufacturing Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ManufacturingMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ManufacturingMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3121894000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3116156000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Manufacturing Market Sector · Manufacturing Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ManufacturingMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ManufacturingMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3134154000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3133055000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Manufacturing Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ManufacturingMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-312958000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-304945000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3017029000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-305774000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3012084000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-315018000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Manufacturing Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:ManufacturingMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-319158000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-309001000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3025395000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-308416000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3016394000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-319270000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Other Market Sector · Other Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:OtherMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3128592000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3128122000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Other Market Sector · Other Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:OtherMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3134723000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3129744000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Other Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-318673000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-308059000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3022312000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-308040000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3014253000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-317345000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Other Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-304966000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3019962000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-307637000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3014996000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-317359000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

U.S.Government Market Sector · U.S.Government Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-317964000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-318782000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

U.S.Government Market Sector · U.S.Government Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3139432000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3129584000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

U.S.Government Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-302002000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-305891000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-301981000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-303889000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-311908000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

U.S.Government Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-309282000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3028768000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-309870000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3019486000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-319616000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

UK Government Market Sector · UK Government Market Sector · Business Transformation Services

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

UK Government Market Sector · UK Government Market Sector · Workforce Excellence Member

Major Customers · Equity Securities By Industry · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3118153000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2018-01-01 – 2018-12-3118733000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

UK Government Market Sector · Business Transformation Services

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-315267000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-314043000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

UK Government Market Sector · Workforce Excellence Member

Major Customers · Statement Business Segments

Source dimensions srt:MajorCustomersAxis=gpx:UKGovernmentMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-304654000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3013066000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-304357000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-308412000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-314055000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence

Automotive Performance Solutions · EMEA Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-311255000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-314996000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-311658000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-3111840000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-311367000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Automotive Performance Solutions · Emerging Markets

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-314933000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-306123000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3017043000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-316220000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-307467000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3020732000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Automotive Performance Solutions · North America Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3174876000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-31101956000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-3193812000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Automotive Performance Solutions · North America

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3016810000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3053070000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3017337000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3074304000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Automotive Performance Solutions · EMEA

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-300 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-30348000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-301713000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-305472000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Engineeringand Technical Services · Business Transformation Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:EngineeringandTechnicalServicesMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Engineeringand Technical Services · Workforce Excellence Member

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:EngineeringandTechnicalServicesMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31111065000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3026589000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3083027000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3028806000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3056438000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3127632000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31110426000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Managed Learning Services · Business Transformation Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:ManagedLearningServicesMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Managed Learning Services · Workforce Excellence Member

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:ManagedLearningServicesMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3142498000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-12-31218730000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3055901000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30159972000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3052253000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-30104071000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3144642000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31206388000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Organizational Development · Business Transformation Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:OrganizationalDevelopmentMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-3192200000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3022689000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-3069138000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3023590000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3046449000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3122859000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-3194606000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Organizational Development · Workforce Excellence Member

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:OrganizationalDevelopmentMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Organizational Performance Solutions · North America Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31121955000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-31141134000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-31129107000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Sales Enablement · Business Transformation Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:SalesEnablementMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31161295000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3033826000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30115754000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3044764000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-3081928000 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-3137164000 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-31103740000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Sales Enablement · Workforce Excellence Member

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:SalesEnablementMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2019-08-02 · 15:29:12.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2019-05-10 · 18:54:52.000ZOpen filing evidence
2018-01-01 – 2018-12-310 USD2020-03-10 · 19:37:58.000ZOpen filing evidence

Technical Performance Solutions · EMEA Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3162283000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3161302000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-3162199000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Technical Performance Solutions · North America Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31120904000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-31152513000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-31143562000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Americas · Business Transformation Services · Reportable Geographical Components

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:AmericasMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3027218000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3064067000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3046305000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3086925000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Asia Pacific · Business Transformation Services · Reportable Geographical Components

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-314739000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-315134000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Asia Pacific · Workforce Excellence Member · Reportable Geographical Components

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-315445000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-316142000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

EMEA · Business Transformation Services · Reportable Geographical Components

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3012451000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3028612000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3016262000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3031279000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Aerospace Market Sector · Business Transformation Services

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-313683000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Aerospace Market Sector · Workforce Excellence Member

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3125989000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Automotive Market Sector · Business Transformation Services

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3022195000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3051897000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3042092000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3076268000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2018-01-01 – 2018-12-31105431000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Automotive Market Sector · North America Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3186686000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-31116260000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-31105780000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Automotive Market Sector · Workforce Excellence Member

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-301180000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-303633000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-303668000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-307266000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2018-01-01 – 2018-12-3110646000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Defense Aerospace Market Sector · EMEA Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-311139000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-315019000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-311654000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-318779000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-317918000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Defense Aerospace Market Sector · Emerging Markets

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-310 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-300 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-300 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-310 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-300 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-300 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Defense Aerospace Market Sector · North America Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3117521000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-3172908000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-3119849000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-3169903000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-3153789000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Business Transformation Services

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-31857000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Electronics Semiconductor Market Sector · Workforce Excellence Member

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3115070000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Business Transformation Services

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-314752000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Energy Oiland Gas Market Sector · Workforce Excellence Member

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3137088000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Financialand Insurance Market Sector · Business Transformation Services

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3112303000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Financialand Insurance Market Sector · EMEA Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-316484000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-317402000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Financialand Insurance Market Sector · Emerging Markets

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-303863000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3010243000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-306393000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3015139000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Financialand Insurance Market Sector · North America Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3137428000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3137610000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2018-01-01 – 2018-12-3146861000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Financialand Insurance Market Sector · Workforce Excellence Member

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-12-3187813000 USD2019-04-01 · 20:45:09.000ZOpen filing evidence

Financialand Insurance Market Sector · North America

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-308829000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3028019000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3010418000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3026543000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Financialand Insurance Market Sector · EMEA

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-306549000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3019136000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-306983000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3025226000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Other Market Sector · EMEA Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3119307000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3119434000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Other Market Sector · Emerging Markets

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-312719000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-311968000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Other Market Sector · North America Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3118901000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-3190812000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-3123446000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-31138546000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Technology Market Sector · EMEA Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-311514000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-31778000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Technology Market Sector · Emerging Markets

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-30365000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-301004000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3057000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30130000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Technology Market Sector · North America Segment

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3129901000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3133284000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Technology Market Sector · North America

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-308315000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3022622000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-307570000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3026302000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Technology Market Sector · EMEA

Equity Securities By Industry · Statement Business Segments

Source dimensions us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-30901000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-302074000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-30808000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-302652000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Business Transformation Services

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3040333000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3094236000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3153903000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-12-31253495000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3056515000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30184892000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3065510000 RestatedUSD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30123505000 RestatedUSD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3157995000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Geography Eliminations

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:GeographyEliminationsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30-3154000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30-7000000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-31-3846000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-30-3753000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30-6529000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-31-2776000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Reportable Geographical Components · Americas

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AmericasMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3136849000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3140620000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Reportable Geographical Components · EMEA

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3116161000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3115017000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3040333000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3094236000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3153903000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-3065510000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30123505000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3157995000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Aerospace Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311017000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-31103000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Automotive Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3129702000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3134176000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Electronics Semiconductor Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-31217000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-31246000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Energy Oiland Gas Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311173000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-311028000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Financialand Insurance Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311471000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-311915000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · U.S.Government Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-311582000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-311729000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Engineeringand Technical Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ProductOrServiceAxis=gpx:EngineeringandTechnicalServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Managed Learning Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ProductOrServiceAxis=gpx:ManagedLearningServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Organizational Development

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ProductOrServiceAxis=gpx:OrganizationalDevelopmentMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3016965000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3038380000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3121415000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-3023397000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3045841000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3122444000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Sales Enablement

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:ProductOrServiceAxis=gpx:SalesEnablementMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3023368000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3055856000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3132488000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-3042113000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3077664000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3135551000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Business Transformation Services · Asia Pacific · Reportable Geographical Components

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;srt:StatementGeographicalAxis=srt:AsiaPacificMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-303818000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-308557000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-306696000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3011830000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Aerospace Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-301714000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-302731000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-303290000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-303393000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Electronics Semiconductor Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30213000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30430000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-30439000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30685000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Energy Oiland Gas Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30878000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-302051000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-301456000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-302484000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-301914000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-303385000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-302239000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-304154000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Informationand Communication Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:InformationandCommunicationMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30566000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-301195000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-30512000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30971000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Life Sciences Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:LifeSciencesMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30992000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-302206000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-301537000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-303470000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Manufacturing Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ManufacturingMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-302247000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-305205000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-304580000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-309598000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-303995000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3012668000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-303205000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3010550000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · U.S.Government Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:U.S.GovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-301437000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-303019000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-301791000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-303520000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Business Transformation Services · UK Government Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:BusinessTransformationServicesMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:UKGovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-304182000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-309449000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-304369000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-308412000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

EMEA Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3129973000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-31107203000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-3131898000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-31125118000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

EMEA Segment · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3110689000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-3139924000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-3112935000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-3151976000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

EMEA Segment · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3118029000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3117305000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

EMEA Segment · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-311529000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-317495000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-312630000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-3115757000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

EMEA Segment · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3125822000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3134104000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

EMEA Segment · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3165980000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3162525000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

EMEA Segment · Technology Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EMEASegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-312887000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-313953000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3112249000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-3012721000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3033718000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-3111447000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-3017126000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3044396000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Emerging Markets · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3112249000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3111447000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Emerging Markets · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-317127000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-306453000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3016308000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-315112000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-309089000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3022750000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Emerging Markets · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-31189000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-30145000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-30367000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-31115000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-30570000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30914000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Emerging Markets · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-315551000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-07-01 – 2020-09-306129000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3015054000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-03-315828000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-07-01 – 2019-09-308167000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3022726000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Emerging Markets · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-313808000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-313364000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Emerging Markets · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-302364000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-307417000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-302509000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-306401000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

Emerging Markets · Technology Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-31171000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-31287000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Emerging Markets Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3148169000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3162569000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Automotive Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3123948000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3129102000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3123564000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3132253000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31657000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-311214000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3123615000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3133112000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Defense Aerospace Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-310 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-310 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3114639000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-3121435000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-318581000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-317650000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

Emerging Markets Segment · Technology Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:EmergingMarketsSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-311334000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2019-01-01 – 2019-12-31372000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

North America Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3172329000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-12-31317735000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence
2020-01-01 – 2020-03-3184936000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2019-01-01 – 2019-12-31395603000 USD2021-03-12 · 21:53:00.000ZOpen filing evidence

North America Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3172329000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3184936000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Automotive Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;srt:ProductOrServiceAxis=gpx:AutomotivePerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3116471000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3121039000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3122656000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3124000000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3133202000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3139897000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3119679000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-3124963000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-319306000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-319692000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

North America Segment · Technology Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:NorthAmericaSegmentMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:TechnologyMarketSectorMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-316922000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence
2020-01-01 – 2020-03-316986000 USD2021-05-06 · 21:03:44.000ZOpen filing evidence

Workforce Excellence Member

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3065811000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30140189000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3174378000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-12-31329795000 USD2020-03-10 · 19:37:58.000ZOpen filing evidence
2019-07-01 – 2019-09-3082490000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-01-01 – 2019-09-30242999000 USD2019-11-07 · 18:29:17.000ZOpen filing evidence
2019-04-01 – 2019-06-3083903000 RestatedUSD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30165381000 RestatedUSD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3181478000 RestatedUSD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Geography Eliminations

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ConsolidationItemsAxis=srt:GeographyEliminationsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30-5969000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30-11271000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-31-5302000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-30-7901000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30-11507000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-31-3606000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Reportable Geographical Components · Americas

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=srt:AmericasMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3156563000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3159664000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Reportable Geographical Components · EMEA

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember;srt:StatementGeographicalAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3117672000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3119278000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3065811000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30140189000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3174378000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-3083903000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30165381000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3181478000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Aerospace Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:AerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-318296000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-317510000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Automotive Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-312453000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-313598000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Electronics Semiconductor Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:ElectronicsSemiconductorMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-312623000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-314130000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Energy Oiland Gas Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:EnergyOilandGasMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-316275000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3111530000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Financialand Insurance Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3119156000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-3119206000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Other Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-315988000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-316239000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · U.S.Government Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:U.S.GovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3111206000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-319795000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · UK Government Market Sector

Statement Business Segments · Major Customers

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:MajorCustomersAxis=gpx:UKGovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Engineeringand Technical Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ProductOrServiceAxis=gpx:EngineeringandTechnicalServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3027485000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3059365000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-3131880000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-3039114000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3075950000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-3136836000 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Managed Learning Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ProductOrServiceAxis=gpx:ManagedLearningServicesMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3038326000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3080824000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3044789000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3089431000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Organizational Development

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ProductOrServiceAxis=gpx:OrganizationalDevelopmentMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Sales Enablement

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:ProductOrServiceAxis=gpx:SalesEnablementMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-03-310 USD2020-05-11 · 20:44:52.000ZOpen filing evidence

Workforce Excellence Member · Americas · Reportable Geographical Components

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:StatementGeographicalAxis=srt:AmericasMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3051781000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-30108344000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3064468000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-30124132000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Asia Pacific · Reportable Geographical Components

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:StatementGeographicalAxis=srt:AsiaPacificMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-305586000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3011031000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-308693000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3014835000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · EMEA · Reportable Geographical Components

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;srt:StatementGeographicalAxis=us-gaap:EMEAMember;srt:ConsolidationItemsAxis=srt:ReportableGeographicalComponentsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3014413000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3032085000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3018643000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3037921000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Aerospace Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-306141000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3014437000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-304684000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3012194000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Electronics Semiconductor Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ElectronicsSemiconductorMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-302084000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-304707000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-303994000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-308124000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Energy Oiland Gas Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:EnergyOilandGasMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-306078000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3012353000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-308850000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3020380000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Financialand Insurance Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:FinancialandInsuranceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3016027000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3035183000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3019931000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3039137000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Informationand Communication Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:InformationandCommunicationMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-304795000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-308910000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-305563000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3010869000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Life Sciences Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:LifeSciencesMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-305830000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3010938000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-305083000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-309977000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Manufacturing Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:ManufacturingMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-305858000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3015016000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-309610000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3018880000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-307120000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3013108000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3012460000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3018699000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · U.S.Government Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:U.S.GovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3010698000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-3021904000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3010060000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-3019855000 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

Workforce Excellence Member · UK Government Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gpx:WorkforceExcellenceMemberMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:UKGovernmentMarketSectorMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2020-01-01 – 2020-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-04-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence
2019-01-01 – 2019-06-300 USD2020-08-07 · 20:23:54.000ZOpen filing evidence

North America

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3077436000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-30237654000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3092302000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30292122000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

North America · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3030732000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3093089000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3036235000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30104662000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

North America · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3029894000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3091495000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3038730000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30113156000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

North America · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3019437000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3061610000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3022441000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3083142000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

North America · Defense Aerospace Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3018275000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3056278000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3017667000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3049939000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

North America · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=srt:NorthAmericaMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3022580000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3069125000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3034206000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-30106196000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3025437000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3078647000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3029577000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3091373000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3025437000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3078647000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3029577000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3091373000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Organizational Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;srt:ProductOrServiceAxis=gpx:OrganizationalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3011156000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3033042000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3012522000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3041342000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Technical Performance Solutions

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;srt:ProductOrServiceAxis=gpx:TechnicalPerformanceSolutionsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3014281000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3045257000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3015342000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3044559000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Automotive Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:AutomotiveMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-301596000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-305721000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-303712000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3011986000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Defense Aerospace Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:DefenseAerospaceMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-301014000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-303932000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-302632000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-307108000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence

EMEA · Other Market Sector

Statement Business Segments · Equity Securities By Industry

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:EMEAMember;us-gaap:EquitySecuritiesByIndustryAxis=gpx:OtherMarketSectorMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3015377000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2020-01-01 – 2020-09-3047784000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-07-01 – 2019-09-3015442000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence
2019-01-01 – 2019-09-3044401000 USD2020-11-06 · 21:12:08.000ZOpen filing evidence