Segment disclosures

Company overview

Jacobs Engineering Group Inc.

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

Revenue · Reported segment facts

59 dimension combinations 445 retained observations 15 reported periods

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.

Operating Segments · Aerospace And Technology

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2018-09-284372008000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2017-12-30 – 2018-03-301105673000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301851594000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-292464363000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2016-12-31 – 2017-03-31602043000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311205228000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2015-10-03 – 2016-09-302845913000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence

Operating Segments · Buildings And Infrastructure

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2018-09-286184883000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2017-12-30 – 2018-03-301758412000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302790177000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-293830697000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2016-12-31 – 2017-03-31897829000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311836723000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2015-10-03 – 2016-09-303419505000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence

Operating Segments · Energy Chemicalsand Resources

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2018-09-284427755000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2017-12-30 – 2018-03-301070943000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302043567000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-293727728000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence
2016-12-31 – 2017-03-31802695000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311812220000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2015-10-03 – 2016-09-304698739000 USD2018-11-21 · 22:08:45.000ZOpen filing evidence

Construction · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ConstructionMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-3079473000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30223113000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29250956000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-3165648000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31172210000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-3082787000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30171614000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-017278000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-0177464000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0179400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01105800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Construction · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ConstructionMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30397487000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30632609000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29254118000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31254216000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31535397000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-3066641000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30119463000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0137518000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-0188383000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0124400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-0150900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Construction · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ConstructionMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30507937000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301002744000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-31402605000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31961809000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Construction · Industrial

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ConstructionMember;us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-291901299000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30535336000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301601562000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01378289000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011114312000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01363000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01736000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Construction · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ConstructionMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-29967888000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30262183000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301366251000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01285795000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011124293000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01340400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01802900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Field Services · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:FieldServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30284507000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30526904000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29626176000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31202090000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31433594000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30201143000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30943489000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01260520000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01714802000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01265300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01489900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Field Services · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:FieldServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30398439000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30634144000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29267101000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31256513000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31542443000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-3070768000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30159230000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0150210000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01125861000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0136600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-0175700000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Field Services · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:FieldServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30807259000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301469374000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-31488188000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311257421000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Field Services · Industrial

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:FieldServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-292547491000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30749122000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301902695000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01483733000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011398109000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01448400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01914400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Field Services · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:FieldServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-29971013000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30265634000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301367574000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01285887000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011125539000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01341000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01804000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Operation And Maintenance · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30205034000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30303791000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29375220000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31136442000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31261384000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30118356000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30771875000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01253242000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01637338000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01185900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01384100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Operation And Maintenance · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30952000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301535000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-2912983000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-312297000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-317046000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-304127000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-3039767000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0112692000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-0137478000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0112200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-0124800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Operation And Maintenance · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30299322000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30466630000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-3185583000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31295612000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Operation And Maintenance · Industrial

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-29646192000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30213786000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30301133000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01105444000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01283797000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0185400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01178400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Operation And Maintenance · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-293125000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-303451000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301323000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0192000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011246000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Process Scientific And Systems Consulting · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30507229000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30751358000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29774063000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31184944000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31384773000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30199829000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30803654000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01371954000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01790533000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01140000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01382900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Process Scientific And Systems Consulting · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-302975000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-304471000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-314618000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-316331000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Process Scientific And Systems Consulting · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-306069000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-3011517000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-314887000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-3110091000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Process Scientific And Systems Consulting · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-2931081000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-306917000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-3048675000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0115335000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-0147825000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-0116500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-0132500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Project Services · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30313937000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30573332000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-29960374000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31215009000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31386861000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30176464000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30910290000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-0135311000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01502105000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01264200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01466800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Project Services · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-301356998000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302151562000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-292185220000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31636698000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311287949000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30509849000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-302094282000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01503336000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011570143000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01542600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011066800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Project Services · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30257615000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30562676000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-31309620000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31544708000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Project Services · Industrial

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-29196171000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-302616000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30891018000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01222263000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01646543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01218100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01424300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Project Services · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-291464098000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30369262000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301843250000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01465324000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011402110000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01509100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01972400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Technical Professional Services · Aerospace And Technology

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30821166000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301324690000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-291734437000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31399953000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31771634000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30376293000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301713944000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01407265000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011292638000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01404200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01849700000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Technical Professional Services · Buildings And Infrastructure

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-301359973000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302156033000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-09-292185220000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-12-31 – 2017-03-31641316000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311294280000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30509849000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-302094282000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01503336000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011570143000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01542600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011066800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Technical Professional Services · Energy Chemicalsand Resources

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-30263684000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-30574193000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-31314507000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-31554799000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Technical Professional Services · Industrial

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-29196171000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-302616000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-30891018000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01222263000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-01646543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01218100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-01424300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Technical Professional Services · Petroleum And Chemicals

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember;us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2016-10-01 – 2017-09-291495179000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-10-01 – 2016-12-30376179000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-301891925000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01480659000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-02 – 2016-07-011449935000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01525700000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011004900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-301105673000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-301851594000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2017-12-29721567000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2016-10-01 – 2017-09-292360613000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2017-04-01 – 2017-06-30585432000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301739908000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31602043000 RestatedUSD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311205228000 RestatedUSD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30577436000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-302657433000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01667785000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-03 – 2016-07-012007440000 USD20160809Open filing evidence
2015-10-02 – 2016-07-012007440000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01669464000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011339655000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-01 – 2016-01-01670191000 USD2017-02-08 · 15:46:21.000ZOpen filing evidence
2014-09-27 – 2015-10-022924753000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2015-03-28 – 2015-06-26699118000 USD20160809Open filing evidence
2014-09-27 – 2015-06-262134460000 USD20160809Open filing evidence
2014-12-27 – 2015-03-27701115000 USD20160505Open filing evidence
2014-09-27 – 2015-03-271435342000 USD20160505Open filing evidence
2013-09-28 – 2014-09-262306453000 USD20161122Open filing evidence

Aerospace And Technology · Construction

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:ConstructionMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29121869000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-3023228000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-3078005000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-3110300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-3154800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology · Field Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:FieldServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29202494000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30146639000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30433816000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31127000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31287200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology · Operation And Maintenance

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-2980625000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30123411000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30355811000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31116700000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31232400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology · Process Scientific And Systems Consulting

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29244128000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30121450000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30506250000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31184900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31384800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology · Project Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29274945000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30317343000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30799842000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31265100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31482500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Aerospace And Technology · Technical Professional Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:AerospaceAndTechnologyMember;us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29519073000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30438793000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301306092000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31450000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31867300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Buildings And Infrastructure

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-301758412000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302790177000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2017-12-29658466000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2016-10-01 – 2017-09-292452321000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2017-04-01 – 2017-06-30647252000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301813111000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31897829000 RestatedUSD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311836723000 RestatedUSD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2016-12-30580617000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-302253512000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01553546000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-03 – 2016-07-011696004000 USD20160809Open filing evidence
2015-10-02 – 2016-07-011696004000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01579128000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011142458000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-01 – 2016-01-01563330000 USD2017-02-08 · 15:46:21.000ZOpen filing evidence
2014-09-27 – 2015-10-022458379000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2015-03-28 – 2015-06-26593834000 USD20160809Open filing evidence
2014-09-27 – 2015-06-261820626000 USD20160809Open filing evidence
2014-12-27 – 2015-03-27602062000 USD20160505Open filing evidence
2014-09-27 – 2015-03-271226792000 USD20160505Open filing evidence
2013-09-28 – 2014-09-262705197000 USD20161122Open filing evidence

Buildings And Infrastructure · Construction

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember;us-gaap:ProductOrServiceAxis=jec:ConstructionMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-2942653000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-3056067000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30168526000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-3149600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31112500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Buildings And Infrastructure · Field Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember;us-gaap:ProductOrServiceAxis=jec:FieldServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-2943228000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-3059709000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30179568000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-3153200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31119900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Buildings And Infrastructure · Operation And Maintenance

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember;us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29575000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-303642000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-3011042000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-313600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-317400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Buildings And Infrastructure · Project Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember;us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29615238000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30587543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301633543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31532000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-311046000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Buildings And Infrastructure · Technical Professional Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:BuildingsAndInfrastructureMember;us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29615238000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30587543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301633543000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31532000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-311046000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Energy Chemicalsand Resources

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:EnergyChemicalsandResourcesMember
PeriodValueUnitFiledEvidence
2017-12-30 – 2018-03-301070943000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2017-09-30 – 2018-03-302043567000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-12-31 – 2017-03-31802695000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence
2016-10-01 – 2017-03-311812220000 USD2018-05-08 · 13:47:41.000ZOpen filing evidence

Industrial

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29749321000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2016-10-01 – 2017-09-292743662000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2017-04-01 – 2017-06-30681588000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-302015784000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31582458000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-311334196000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2016-12-30751738000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-302793713000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01705996000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-03 – 2016-07-012044652000 USD20160809Open filing evidence
2015-10-02 – 2016-07-012044652000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01666556000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011338656000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-01 – 2016-01-01672100000 USD2017-02-08 · 15:46:21.000ZOpen filing evidence
2014-09-27 – 2015-10-022517571000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2015-03-28 – 2015-06-26630702000 USD20160809Open filing evidence
2014-09-27 – 2015-06-261851686000 USD20160809Open filing evidence
2014-12-27 – 2015-03-27553388000 USD20160505Open filing evidence
2014-09-27 – 2015-03-271220984000 USD20160505Open filing evidence
2013-09-28 – 2014-09-262956391000 USD20161122Open filing evidence

Industrial · Construction

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember;us-gaap:ProductOrServiceAxis=jec:ConstructionMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29496632000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30352002000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301118697000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31326200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31766700000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Industrial · Field Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember;us-gaap:ProductOrServiceAxis=jec:FieldServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29681649000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30446918000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301397814000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31415600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31950900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Industrial · Operation And Maintenance

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember;us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29185017000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-3094916000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30279117000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-3189400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31184200000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Industrial · Project Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember;us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-2967672000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30234670000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30617970000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31166900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31383300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Industrial · Technical Professional Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:IndustrialMember;us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-2967672000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30234670000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30617970000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31166900000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31383300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29620957000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2016-10-01 – 2017-09-292466192000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2017-04-01 – 2017-06-30600479000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301800119000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31557827000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-311199640000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2016-12-30641813000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2015-10-03 – 2016-09-303259499000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2016-04-02 – 2016-07-01766546000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2015-10-03 – 2016-07-012575474000 USD20160809Open filing evidence
2015-10-02 – 2016-07-012575474000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-01-02 – 2016-04-01866615000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-03 – 2016-04-011808928000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2015-10-01 – 2016-01-01942313000 USD2017-02-08 · 15:46:21.000ZOpen filing evidence
2014-09-27 – 2015-10-024214129000 USD2017-11-21 · 22:06:49.000ZOpen filing evidence
2015-03-28 – 2015-06-26983887000 USD20160809Open filing evidence
2014-09-27 – 2015-06-263191106000 USD20160809Open filing evidence
2014-12-27 – 2015-03-271046767000 USD20160505Open filing evidence
2014-09-27 – 2015-03-272207219000 USD20160505Open filing evidence
2013-09-28 – 2014-09-264727116000 USD20161122Open filing evidence

Petroleum And Chemicals · Construction

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:ConstructionMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29212415000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30281390000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30751932000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31208500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31470500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals · Field Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:FieldServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29212846000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30281657000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30752296000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31208500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31470600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals · Operation And Maintenance

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:OperationAndMaintenanceMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29431000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30267000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-30364000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-310 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31100000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals · Process Scientific And Systems Consulting

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:ProcessScientificAndSystemsConsultingMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-296945000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-3011016000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-3027416000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-319500000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-3116400000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals · Project Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:ProjectServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29401166000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30307806000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301020407000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31339800000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31712600000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence

Petroleum And Chemicals · Technical Professional Services

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=jec:PetroleumAndChemicalsMember;us-gaap:ProductOrServiceAxis=jec:TechnicalProfessionalServicesMember
PeriodValueUnitFiledEvidence
2017-09-30 – 2017-12-29408111000 USD2018-02-07 · 14:46:36.000ZOpen filing evidence
2017-04-01 – 2017-06-30318822000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-10-01 – 2017-06-301047823000 USD2017-08-08 · 15:43:24.000ZOpen filing evidence
2016-12-31 – 2017-03-31349300000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence
2016-10-01 – 2017-03-31729000000 USD2017-05-09 · 14:46:43.000ZOpen filing evidence