Fundies.
English

Segment disclosures

Company overview

LYDALL INC /DE/

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

Revenue · Reported segment facts

108 dimension combinations 759 retained observations 24 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.

Operating Segments · Advanced Materials · Technical Nonwovens

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:AdvancedMaterialsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3125274000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3126034000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31111026000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3030977000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3084591000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3030372000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3053614000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3123242000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31119465000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3032126000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3091978000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3032542000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3059852000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3127310000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31121990000 USD20200226Open filing evidence
2017-07-01 – 2017-09-3034960000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-3090438000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3030773000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-3055478000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-3165090000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Filtration · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:FiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3125887000 USD20200511Open filing evidence
2019-01-01 – 2019-12-3193314000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3022427000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3071093000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3024732000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3048666000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3123934000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3193089000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3022643000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3068846000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3023061000 RestatedUSD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3046203000 RestatedUSD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3123142000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-3187173000 USD20200226Open filing evidence
2017-07-01 – 2017-09-3022263000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-3065483000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3019255000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-3038100000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-3183345000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Industrial Filtration · Technical Nonwovens

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3136401000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3131369000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31144320000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3032935000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30114005000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3038706000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3081070000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3142364000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31157606000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3040945000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30120346000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3039170000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3079401000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3140231000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31147087000 USD20200226Open filing evidence
2017-07-01 – 2017-09-3038346000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-30108884000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3036325000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-3070538000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-3190415000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Industrial Thermal Insulation · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:IndustrialThermalInsulationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-3139333000 USD20200511Open filing evidence
2019-01-01 – 2019-12-31152166000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3037573000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30118589000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3040370000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3081016000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3140646000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3176128000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3019077000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3034801000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-308173000 RestatedUSD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3015724000 RestatedUSD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-317551000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-3129496000 USD20200226Open filing evidence
2017-07-01 – 2017-09-307284000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-3022116000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-307407000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-3014833000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-3127783000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Life Sciences Filtration · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:LifeSciencesFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-302864000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-305360000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-04-01 – 2017-06-302639000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-305119000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · Metal Parts · Thermal Acoustical Solutions

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:MetalPartsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31272414000 USD20210223Open filing evidence
2020-04-01 – 2020-06-3032448000 USD20200728Open filing evidence
2020-01-01 – 2020-06-30109769000 USD20200728Open filing evidence
2020-01-01 – 2020-03-3177321000 USD20200511Open filing evidence
2019-01-01 – 2019-12-31326436000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3080309000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30250591000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3085705000 USD20200728Open filing evidence
2019-01-01 – 2019-06-30170281000 USD20200728Open filing evidence
2019-01-01 – 2019-03-3184576000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31328057000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3077723000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30248764000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3082920000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-30171041000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3188122000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31318217000 USD20200226Open filing evidence
2016-01-01 – 2016-12-31298016000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Metal Parts · Thermal And Acoustical Metals

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:MetalPartsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-3077723000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-30248764000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-3082920000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-30171041000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-07-01 – 2017-09-3075195000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-30237657000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3080648000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-30162462000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · Tooling · Thermal Acoustical Solutions

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:ToolingMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-316440000 USD20200511Open filing evidence
2019-01-01 – 2019-12-3135141000 USD20200226Open filing evidence
2019-07-01 – 2019-09-307617000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3024920000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-307567000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3017304000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-319737000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3137370000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3010488000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3031053000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-307249000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3020565000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3113315000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-3123888000 USD20200226Open filing evidence
2016-01-01 – 2016-12-3123176000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Tooling · Thermal And Acoustical Metals

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:ToolingMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-3010488000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-3031053000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-307249000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-3020565000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-07-01 – 2017-09-309181000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-3017505000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-305354000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-308325000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · Asia · Performance Materials

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:AsiaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-312028000 USD20200511Open filing evidence
2019-01-01 – 2019-12-317497000 USD20200226Open filing evidence
2019-07-01 – 2019-09-302104000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-305201000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-301551000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-303097000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-311546000 USD20200511Open filing evidence
2018-01-01 – 2018-12-312849000 USD20200226Open filing evidence
2018-07-01 – 2018-09-30552000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30552000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-300 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-300 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-310 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Asia · Technical Nonwovens

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:AsiaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-314734000 USD20200511Open filing evidence
2019-01-01 – 2019-12-3129311000 USD20200226Open filing evidence
2019-07-01 – 2019-09-305240000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3023228000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-308620000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3017988000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-319368000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3135640000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3010222000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3027339000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-308095000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3017117000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-319022000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Asia · Thermal Acoustical Solutions

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:AsiaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3116331000 USD20210223Open filing evidence
2020-01-01 – 2020-03-313120000 USD20200511Open filing evidence
2019-01-01 – 2019-12-3117486000 USD20210223Open filing evidence
2019-07-01 – 2019-09-304403000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3012506000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-303834000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-308103000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-314269000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3115765000 USD20210223Open filing evidence
2018-07-01 – 2018-09-305544000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3012679000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-303732000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-307135000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-313403000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Asia · Thermal And Acoustical Metals

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:AsiaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-305544000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-3012679000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-303732000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-307135000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · Europe · Performance Materials

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3116924000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3117275000 USD20210427Open filing evidence
2019-01-01 – 2019-12-3161889000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3015203000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3047589000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3015729000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3032386000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3116657000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3149055000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3012120000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3034007000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3010355000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3021887000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3111532000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Europe · Technical Nonwovens

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3116899000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3116938000 USD20210427Open filing evidence
2019-01-01 – 2019-12-3168456000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3016544000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3053384000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3017791000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3036840000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3119049000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3173912000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3018757000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3056197000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3018053000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3037439000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3119386000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Europe · Thermal Acoustical Solutions

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3126113000 USD20210427Open filing evidence
2020-01-01 – 2020-12-3183253000 USD20210223Open filing evidence
2020-01-01 – 2020-03-3123540000 USD20210427Open filing evidence
2019-01-01 – 2019-12-3198221000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3022208000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-3073853000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3025203000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3051645000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3126442000 USD20200511Open filing evidence
2018-01-01 – 2018-12-3199529000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3024183000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3076753000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3024515000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3052570000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3128055000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · Europe · Thermal And Acoustical Metals

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-3024183000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-3076753000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-3024515000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-3052570000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · North America · Performance Materials

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31181741000 USD20210223Open filing evidence
2020-01-01 – 2020-03-3145917000 USD20200511Open filing evidence
2019-01-01 – 2019-12-31176094000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3042693000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30136892000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3047822000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3094199000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3146377000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31117313000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3029048000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-3069088000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3020879000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3040040000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3119161000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · North America · Technical Nonwovens

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3135838000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3135731000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31157579000 USD20200226Open filing evidence
2019-07-01 – 2019-09-3042128000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30121984000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3042667000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-3079856000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3137189000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31167519000 USD20200226Open filing evidence
2018-07-01 – 2018-09-3044092000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30128788000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3045564000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3084697000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3139133000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · North America · Thermal Acoustical Solutions

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31195223000 USD20210223Open filing evidence
2020-01-01 – 2020-03-3157101000 USD20200511Open filing evidence
2019-01-01 – 2019-12-31245870000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3061315000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30189152000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3064235000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-30127837000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3163602000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31250133000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3058484000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30190385000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3061922000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-30131901000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3169979000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence

Operating Segments · North America · Thermal And Acoustical Metals

Consolidation Items · Statement Geographical · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-3058484000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-30190385000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-3061922000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-30131901000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Operating Segments · Performance Materials

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3179333000 USD20210427Open filing evidence
2020-01-01 – 2020-12-31264645000 USD20210223Open filing evidence
2020-01-01 – 2020-03-3165220000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31245480000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3060000000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30189682000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3065102000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-06-30129682000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2019-01-01 – 2019-03-3164580000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31169217000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3041720000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30103647000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3031234000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-3061927000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3130693000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31116669000 USD20200226Open filing evidence
2017-07-01 – 2017-09-3029547000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-3087599000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3029301000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-3058052000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-31111128000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Performance Materials · Filtration

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ProductOrServiceAxis=ldl:FiltrationMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3134346000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3125887000 USD20210427Open filing evidence

Operating Segments · Performance Materials · Sealing And Advanced Solutions

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ProductOrServiceAxis=ldl:SealingAndAdvancedSolutionsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3144987000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3139333000 USD20210427Open filing evidence

Operating Segments · Performance Materials · Asia

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:AsiaMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-319526000 USD20210223Open filing evidence
2019-01-01 – 2019-12-317497000 USD20210223Open filing evidence
2018-01-01 – 2018-12-312849000 USD20210223Open filing evidence

Operating Segments · Performance Materials · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3173378000 USD20210223Open filing evidence
2019-01-01 – 2019-12-3161889000 USD20210223Open filing evidence
2018-01-01 – 2018-12-3149055000 USD20210223Open filing evidence

Operating Segments · Performance Materials · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3158874000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3145917000 USD20210427Open filing evidence

Operating Segments · Technical Nonwovens

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3161675000 USD20210427Open filing evidence
2020-01-01 – 2020-12-31222340000 USD20210223Open filing evidence
2020-04-01 – 2020-06-3052007000 USD20200728Open filing evidence
2020-01-01 – 2020-06-30109410000 USD20200728Open filing evidence
2020-01-01 – 2020-03-3157403000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31255346000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3063912000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30198596000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3069078000 USD20200728Open filing evidence
2019-01-01 – 2019-06-30134684000 USD20200728Open filing evidence
2019-01-01 – 2019-03-3165606000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31277071000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3073071000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30212324000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3071712000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-30139253000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-3167541000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31269077000 USD20200226Open filing evidence
2017-07-01 – 2017-09-3073306000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-30199322000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3067098000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-30126016000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2016-01-01 – 2016-12-31155505000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Technical Nonwovens · Advanced Materials

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:ProductOrServiceAxis=ldl:AdvancedMaterialsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3022594000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3048628000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3030372000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3053614000 USD20200728Open filing evidence

Operating Segments · Technical Nonwovens · Industrial Filtration

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:ProductOrServiceAxis=ldl:IndustrialFiltrationMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31119367000 USD20210223Open filing evidence
2019-01-01 – 2019-12-31144320000 USD20210223Open filing evidence
2018-01-01 – 2018-12-31157606000 USD20210223Open filing evidence

Operating Segments · Technical Nonwovens · Asia

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:AsiaMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3123207000 USD20210223Open filing evidence
2019-01-01 – 2019-12-3129311000 USD20210223Open filing evidence
2018-01-01 – 2018-12-3135640000 USD20210223Open filing evidence

Operating Segments · Technical Nonwovens · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-3164624000 USD20210223Open filing evidence
2020-04-01 – 2020-06-3015418000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3032356000 USD20200728Open filing evidence
2019-01-01 – 2019-12-3168456000 USD20210223Open filing evidence
2019-04-01 – 2019-06-3017791000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3036840000 USD20200728Open filing evidence
2018-01-01 – 2018-12-3173912000 USD20210223Open filing evidence

Operating Segments · Technical Nonwovens · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31134509000 USD20210223Open filing evidence
2020-04-01 – 2020-06-3031236000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3066967000 USD20200728Open filing evidence
2019-01-01 – 2019-12-31157579000 USD20210223Open filing evidence
2019-04-01 – 2019-06-3042667000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3079856000 USD20200728Open filing evidence
2018-01-01 – 2018-12-31167519000 USD20210223Open filing evidence

Operating Segments · Thermal Acoustical Solutions

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3076858000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30167902000 USD20210728Open filing evidence
2021-01-01 – 2021-03-3191044000 USD20210427Open filing evidence
2020-01-01 – 2020-12-31294807000 USD20210223Open filing evidence
2020-04-01 – 2020-06-3037448000 USD20210728Open filing evidence
2020-01-01 – 2020-06-30121209000 USD20210728Open filing evidence
2020-01-01 – 2020-03-3183761000 USD20210427Open filing evidence
2019-01-01 – 2019-12-31361577000 USD20210223Open filing evidence
2019-07-01 – 2019-09-3087926000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-01-01 – 2019-09-30275511000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2019-04-01 – 2019-06-3093272000 USD20200728Open filing evidence
2019-01-01 – 2019-06-30187585000 USD20200728Open filing evidence
2019-01-01 – 2019-03-3194313000 USD20200511Open filing evidence
2018-01-01 – 2018-12-31365427000 USD20210223Open filing evidence
2018-07-01 – 2018-09-3088211000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-01-01 – 2018-09-30279817000 USD2019-10-29 · 23:43:29.000ZOpen filing evidence
2018-04-01 – 2018-06-3090169000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-06-30191606000 USD2019-07-30 · 20:36:15.000ZOpen filing evidence
2018-01-01 – 2018-03-31101437000 USD2019-04-30 · 20:40:46.000ZOpen filing evidence
2017-01-01 – 2017-12-31342105000 USD20200226Open filing evidence
2016-01-01 – 2016-12-31321192000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Operating Segments · Thermal Acoustical Solutions · Metal Parts

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:ProductOrServiceAxis=ldl:MetalPartsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3186494000 USD20210427Open filing evidence
2020-01-01 – 2020-03-3177321000 USD20210427Open filing evidence

Operating Segments · Thermal Acoustical Solutions · Tooling

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:ProductOrServiceAxis=ldl:ToolingMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-314550000 USD20210427Open filing evidence
2020-01-01 – 2020-03-316440000 USD20210427Open filing evidence

Operating Segments · Thermal Acoustical Solutions · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3011424000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3034964000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3025203000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3051645000 USD20200728Open filing evidence

Operating Segments · Thermal Acoustical Solutions · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-3160653000 USD20210427Open filing evidence
2020-04-01 – 2020-06-3022575000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3079676000 USD20200728Open filing evidence
2020-01-01 – 2020-03-3157101000 USD20210427Open filing evidence
2019-04-01 – 2019-06-3064235000 USD20200728Open filing evidence
2019-01-01 – 2019-06-30127837000 USD20200728Open filing evidence

Operating Segments · Thermal And Acoustical Metals

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-3088211000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-09-30279817000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-04-01 – 2018-06-3090169000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2018-01-01 – 2018-06-30191606000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-07-01 – 2017-09-3084376000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-01-01 – 2017-09-30255162000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2017-04-01 – 2017-06-3086002000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence
2017-01-01 – 2017-06-30170787000 USD2018-07-31 · 20:37:51.000ZOpen filing evidence

Advanced Materials · Operating Segments · Technical Nonwovens

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:AdvancedMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31102973000 USD20210223Open filing evidence
2019-01-01 – 2019-12-31111026000 USD20210223Open filing evidence
2018-01-01 – 2018-12-31119465000 USD20210223Open filing evidence

Filtration · Operating Segments · Performance Materials

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:FiltrationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31119969000 USD20210223Open filing evidence
2019-01-01 – 2019-12-3193314000 USD20210223Open filing evidence
2018-01-01 – 2018-12-3193089000 USD20210223Open filing evidence

Filtration · Performance Materials · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=ldl:FiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3034066000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3068412000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3029636000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3055523000 USD20210728Open filing evidence

Industrial Filtration · Operating Segments · Technical Nonwovens

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3029413000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3060782000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3038706000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3081070000 USD20200728Open filing evidence

Industrial Thermal Insulation · Operating Segments · Performance Materials

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:IndustrialThermalInsulationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31144676000 USD20210223Open filing evidence
2019-01-01 – 2019-12-31152166000 USD20210223Open filing evidence
2018-01-01 – 2018-12-3176128000 USD20210223Open filing evidence

Metal Parts · Operating Segments · Thermal Acoustical Solutions

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:MetalPartsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3071222000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30157716000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3032448000 USD20210728Open filing evidence
2020-01-01 – 2020-06-30109769000 USD20210728Open filing evidence

Non Tooling · Accounting Standards Update201409 · Difference Between Revenue Guidance In Effect Before And After Topic606 · Thermal And Acoustical Metals

Product Or Service · Adjustments For New Accounting Pronouncements · Initial Application Period Cumulative Effect Transition · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:NonToolingMember;us-gaap:AdjustmentsForNewAccountingPronouncementsAxis=us-gaap:AccountingStandardsUpdate201409Member;us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-30-3900000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence

Sealing And Advanced Solutions · Performance Materials · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=ldl:SealingAndAdvancedSolutionsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3043120000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3088107000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3028837000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3068170000 USD20210728Open filing evidence

Tooling · Operating Segments · Thermal Acoustical Solutions

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:ToolingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-305636000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3010186000 USD20210728Open filing evidence
2020-01-01 – 2020-12-3122393000 USD20210223Open filing evidence
2020-04-01 – 2020-06-305000000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3011440000 USD20210728Open filing evidence
2019-01-01 – 2019-12-3135141000 USD20210223Open filing evidence
2019-04-01 – 2019-06-307567000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3017304000 USD20200728Open filing evidence
2018-01-01 – 2018-12-3137370000 USD20210223Open filing evidence

Tooling · Accounting Standards Update201409 · Difference Between Revenue Guidance In Effect Before And After Topic606 · Thermal And Acoustical Metals

Product Or Service · Adjustments For New Accounting Pronouncements · Initial Application Period Cumulative Effect Transition · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=ldl:ToolingMember;us-gaap:AdjustmentsForNewAccountingPronouncementsAxis=us-gaap:AccountingStandardsUpdate201409Member;us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-30-5000000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence

Asia · Operating Segments · Performance Materials

Statement Geographical · Consolidation Items · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-313535000 USD20210427Open filing evidence
2020-01-01 – 2020-03-312028000 USD20210427Open filing evidence

Asia · Operating Segments · Technical Nonwovens

Statement Geographical · Consolidation Items · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-318938000 USD20210427Open filing evidence
2020-04-01 – 2020-06-305353000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3010087000 USD20200728Open filing evidence
2020-01-01 – 2020-03-314734000 USD20210427Open filing evidence
2019-04-01 – 2019-06-308620000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3017988000 USD20200728Open filing evidence

Asia · Operating Segments · Thermal Acoustical Solutions

Statement Geographical · Consolidation Items · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-303476000 USD20210728Open filing evidence
2021-01-01 – 2021-06-307754000 USD20210728Open filing evidence
2021-01-01 – 2021-03-314278000 USD20210427Open filing evidence
2020-04-01 – 2020-06-303449000 USD20210728Open filing evidence
2020-01-01 – 2020-06-306569000 USD20210728Open filing evidence
2020-01-01 – 2020-03-313120000 USD20210427Open filing evidence
2019-04-01 – 2019-06-303834000 USD20200728Open filing evidence
2019-01-01 – 2019-06-308103000 USD20200728Open filing evidence

Asia · Performance Materials · Operating Segments

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:AsiaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-303719000 USD20210728Open filing evidence
2021-01-01 – 2021-06-307254000 USD20210728Open filing evidence
2020-04-01 – 2020-06-301782000 USD20210728Open filing evidence
2020-01-01 – 2020-06-303810000 USD20210728Open filing evidence

Europe · Operating Segments · Thermal Acoustical Solutions

Statement Geographical · Consolidation Items · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3022673000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3048786000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3011424000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3034964000 USD20210728Open filing evidence

Europe · Performance Materials · Operating Segments

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:EuropeMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3015272000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3032196000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3016501000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3033776000 USD20210728Open filing evidence

North America · Operating Segments · Thermal Acoustical Solutions

Statement Geographical · Consolidation Items · Statement Business Segments

Source dimensions srt:StatementGeographicalAxis=srt:NorthAmericaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3050709000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30111362000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3022575000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3079676000 USD20210728Open filing evidence

North America · Performance Materials · Operating Segments

Statement Geographical · Statement Business Segments · Consolidation Items

Source dimensions srt:StatementGeographicalAxis=srt:NorthAmericaMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3058195000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30117069000 USD20210728Open filing evidence
2020-04-01 – 2020-06-3040190000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3086107000 USD20210728Open filing evidence

Accounting Standards Update201409 · Difference Between Revenue Guidance In Effect Before And After Topic606 · Thermal Acoustical Solutions

Adjustments For New Accounting Pronouncements · Initial Application Period Cumulative Effect Transition · Statement Business Segments

Source dimensions us-gaap:AdjustmentsForNewAccountingPronouncementsAxis=us-gaap:AccountingStandardsUpdate201409Member;us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-01-0116300000 USD2019-02-26 · 12:25:06.000ZOpen filing evidence

Accounting Standards Update201409 · Difference Between Revenue Guidance In Effect Before And After Topic606 · Thermal And Acoustical Metals

Adjustments For New Accounting Pronouncements · Initial Application Period Cumulative Effect Transition · Statement Business Segments

Source dimensions us-gaap:AdjustmentsForNewAccountingPronouncementsAxis=us-gaap:AccountingStandardsUpdate201409Member;us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-07-01 – 2018-09-30-1100000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence
2018-01-01 – 2018-01-0116300000 USD2018-11-06 · 16:03:23.000ZOpen filing evidence

Operating Segments · Advanced Materials · Technical Nonwovens

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:AdvancedMaterialsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3127310000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3034960000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-3090438000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3030773000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3055478000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3124704000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3026870000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3043526000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-307712000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3015325000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-317614000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2015-07-01 – 2015-09-306973000 USD20161102Open filing evidence
2015-01-01 – 2015-09-3018738000 USD20161102Open filing evidence

Operating Segments · Fiber Parts · Thermal And Acoustical Fibers

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:FiberPartsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalFibersMember
PeriodValueUnitFiledEvidence
2017-07-01 – 2017-09-3034739000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30116430000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3040704000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3081691000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3140987000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2016-07-01 – 2016-09-3035073000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-30107629000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3036934000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3072611000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3135677000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2015-07-01 – 2015-09-3035042000 USD20161102Open filing evidence
2015-01-01 – 2015-09-30100740000 USD20161102Open filing evidence

Operating Segments · Filtration · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:FiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3120690000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3019946000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-3058047000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3019255000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3038100000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3118846000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3018045000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3053861000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3018657000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3035816000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3117159000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2015-01-01 – 2015-09-3048140000 USD20161102Open filing evidence

Operating Segments · Industrial Filtration · Industrial Filtration Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:IndustrialFiltrationSegmentMember
PeriodValueUnitFiledEvidence
2016-04-01 – 2016-06-3027840000 USD20160802Open filing evidence
2016-01-01 – 2016-06-3059047000 USD20160802Open filing evidence
2016-01-01 – 2016-03-3131207000 USD20160503Open filing evidence

Operating Segments · Industrial Filtration · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-03-3117159000 USD20160503Open filing evidence

Operating Segments · Industrial Filtration · Technical Nonwovens

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3140231000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3038346000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30108884000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3036325000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3070538000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3134214000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3025414000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3067805000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3020128000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3043722000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3123593000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Industrial Thermal Insulation · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:IndustrialThermalInsulationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-317507000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-307283000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-3022116000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-307407000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3014833000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-317425000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-307081000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3020570000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-307214000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3013489000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-316275000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Life Sciences Filtration · Performance Materials

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:LifeSciencesFiltrationMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-312496000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-302318000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-307436000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-302639000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-305119000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-312480000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-303705000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3010749000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-304095000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-307044000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-312949000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Life Sciences Vital Fluids · Other Products And Services Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:LifeSciencesVitalFluidsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:OtherProductsAndServicesSegmentMember
PeriodValueUnitFiledEvidence
2016-07-01 – 2016-09-300 USD20161102Open filing evidence
2016-01-01 – 2016-09-300 USD20161102Open filing evidence
2016-04-01 – 2016-06-300 USD20160802Open filing evidence
2016-01-01 – 2016-06-300 USD20160802Open filing evidence
2016-01-01 – 2016-03-310 USD20160503Open filing evidence

Operating Segments · Metal Parts · Thermal And Acoustical Metals

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:MetalPartsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3188122000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3041522000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30124043000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3040827000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3082521000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3181814000 RestatedUSD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3039807000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-30117578000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3041053000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3077836000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3136783000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Tooling · Thermal And Acoustical Fibers

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:ToolingMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalFibersMember
PeriodValueUnitFiledEvidence
2017-07-01 – 2017-09-30884000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-304064000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-302795000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-303180000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-31385000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2016-07-01 – 2016-09-301356000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-304829000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-303234000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-303418000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-31184000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Tooling · Thermal And Acoustical Metals

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:ProductOrServiceAxis=ldl:ToolingMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3113315000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-308297000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-3013441000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-302558000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-305144000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-312971000 RestatedUSD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-304830000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3014301000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-304192000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-309406000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-315214000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Industrial Filtration Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:IndustrialFiltrationSegmentMember
PeriodValueUnitFiledEvidence
2016-04-01 – 2016-06-3027840000 USD20160802Open filing evidence
2016-01-01 – 2016-06-3059047000 USD20160802Open filing evidence
2016-01-01 – 2016-03-3131207000 USD20160503Open filing evidence

Operating Segments · Other Products And Services Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:OtherProductsAndServicesSegmentMember
PeriodValueUnitFiledEvidence
2016-07-01 – 2016-09-300 USD20161102Open filing evidence
2016-01-01 – 2016-09-300 USD20161102Open filing evidence
2016-04-01 – 2016-06-300 USD20160802Open filing evidence
2016-01-01 – 2016-06-300 USD20160802Open filing evidence
2016-01-01 – 2016-03-310 USD20160503Open filing evidence

Operating Segments · Performance Materials

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3130693000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3029547000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-3087599000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3029301000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3058052000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3128751000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3028831000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-3085180000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3029966000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3056349000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3126383000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Performance Materials · Asia

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;us-gaap:StatementGeographicalAxis=us-gaap:AsiaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-310 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Performance Materials · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;us-gaap:StatementGeographicalAxis=us-gaap:EuropeMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3111532000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Performance Materials · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;us-gaap:StatementGeographicalAxis=us-gaap:NorthAmericaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3119161000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Technical Nonwovens

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3167541000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3073306000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30199322000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3067098000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-30126016000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3158918000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3052284000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-30111331000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3027840000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3059047000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3131207000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Technical Nonwovens · Asia

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;us-gaap:StatementGeographicalAxis=us-gaap:AsiaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-319022000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Technical Nonwovens · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;us-gaap:StatementGeographicalAxis=us-gaap:EuropeMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3119386000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Technical Nonwovens · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;us-gaap:StatementGeographicalAxis=us-gaap:NorthAmericaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3139133000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Thermal And Acoustical Fibers

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalFibersMember
PeriodValueUnitFiledEvidence
2017-07-01 – 2017-09-3035623000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30120494000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3043499000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3084871000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3141372000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence
2016-07-01 – 2016-09-3036429000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-30112458000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3040168000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3076029000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3135861000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Thermal And Acoustical Metals

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-31101437000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence
2017-07-01 – 2017-09-3049819000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-01-01 – 2017-09-30137484000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2017-04-01 – 2017-06-3043385000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-06-3087665000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2017-01-01 – 2017-03-3184785000 RestatedUSD2018-05-01 · 20:46:17.000ZOpen filing evidence
2016-07-01 – 2016-09-3044637000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-01-01 – 2016-09-30131879000 USD2017-10-31 · 20:38:53.000ZOpen filing evidence
2016-04-01 – 2016-06-3045245000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-06-3087242000 USD2017-08-01 · 20:46:11.000ZOpen filing evidence
2016-01-01 – 2016-03-3141997000 USD2017-05-02 · 21:12:14.000ZOpen filing evidence

Operating Segments · Thermal And Acoustical Metals · Asia

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember;us-gaap:StatementGeographicalAxis=us-gaap:AsiaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-313403000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Thermal And Acoustical Metals · Europe

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember;us-gaap:StatementGeographicalAxis=us-gaap:EuropeMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3128055000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Operating Segments · Thermal And Acoustical Metals · North America

Consolidation Items · Statement Business Segments · Statement Geographical

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAndAcousticalMetalsMember;us-gaap:StatementGeographicalAxis=us-gaap:NorthAmericaMember
PeriodValueUnitFiledEvidence
2018-01-01 – 2018-03-3169979000 USD2018-05-01 · 20:46:17.000ZOpen filing evidence

Performance Materials · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3077186000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30156519000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3067817000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30191510000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3058473000 USD20210728Open filing evidence
2020-01-01 – 2020-06-30123693000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3060000000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30189682000 USD20201027Open filing evidence
2019-04-01 – 2019-06-3065102000 USD20200728Open filing evidence
2019-01-01 – 2019-06-30129682000 USD20200728Open filing evidence

Performance Materials · Operating Segments · Filtration

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:FiltrationMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3029636000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3055523000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3024732000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3048666000 USD20200728Open filing evidence

Performance Materials · Operating Segments · Sealing And Advanced Solutions

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:SealingAndAdvancedSolutionsMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3028837000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3068170000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3040370000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3081016000 USD20200728Open filing evidence

Performance Materials · Operating Segments · Europe

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:EuropeMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3016501000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3033776000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3015729000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3032386000 USD20200728Open filing evidence

Performance Materials · Operating Segments · North America

Statement Business Segments · Consolidation Items · Statement Geographical

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-3040190000 USD20200728Open filing evidence
2020-01-01 – 2020-06-3086107000 USD20200728Open filing evidence
2019-04-01 – 2019-06-3047822000 USD20200728Open filing evidence
2019-01-01 – 2019-06-3094199000 USD20200728Open filing evidence

Performance Materials · Filtration · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ProductOrServiceAxis=ldl:FiltrationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3030899000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3086422000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3022427000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3071093000 USD20201027Open filing evidence

Performance Materials · Sealing And Advanced Solutions · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:ProductOrServiceAxis=ldl:SealingAndAdvancedSolutionsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3036918000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30105088000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3037573000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30118589000 USD20201027Open filing evidence

Performance Materials · Asia · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-303282000 USD20201027Open filing evidence
2020-01-01 – 2020-09-307092000 USD20201027Open filing evidence
2020-04-01 – 2020-06-301782000 USD20200728Open filing evidence
2020-01-01 – 2020-06-303810000 USD20200728Open filing evidence
2019-07-01 – 2019-09-302104000 USD20201027Open filing evidence
2019-01-01 – 2019-09-305201000 USD20201027Open filing evidence
2019-04-01 – 2019-06-301551000 USD20200728Open filing evidence
2019-01-01 – 2019-06-303097000 USD20200728Open filing evidence

Performance Materials · Europe · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:EuropeMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3018776000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3052552000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3015203000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3047589000 USD20201027Open filing evidence

Performance Materials · North America · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:PerformanceMaterialsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3045759000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30131866000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3042693000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30136892000 USD20201027Open filing evidence

Technical Nonwovens · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3072479000 USD20210728Open filing evidence
2021-01-01 – 2021-06-30134154000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3058509000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30167919000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3052007000 USD20210728Open filing evidence
2020-01-01 – 2020-06-30109410000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3063912000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30198596000 USD20201027Open filing evidence

Technical Nonwovens · Advanced Materials · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:ProductOrServiceAxis=ldl:AdvancedMaterialsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3037068000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3062342000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3028866000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3077494000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3022594000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3048628000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3030977000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3084591000 USD20201027Open filing evidence

Technical Nonwovens · Industrial Filtration · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:ProductOrServiceAxis=ldl:IndustrialFiltrationMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3035411000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3071812000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3029643000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3090425000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3029413000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3060782000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3032935000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30114005000 USD20201027Open filing evidence

Technical Nonwovens · Asia · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-307959000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3016897000 USD20210728Open filing evidence
2020-07-01 – 2020-09-306464000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3016551000 USD20201027Open filing evidence
2020-04-01 – 2020-06-305353000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3010087000 USD20210728Open filing evidence
2019-07-01 – 2019-09-305240000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3023228000 USD20201027Open filing evidence

Technical Nonwovens · Europe · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:EuropeMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3018077000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3034976000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3017318000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3049674000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3015418000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3032356000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3016544000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3053384000 USD20201027Open filing evidence

Technical Nonwovens · North America · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:TechnicalNonwovensMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3046443000 USD20210728Open filing evidence
2021-01-01 – 2021-06-3082281000 USD20210728Open filing evidence
2020-07-01 – 2020-09-3034727000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30101694000 USD20201027Open filing evidence
2020-04-01 – 2020-06-3031236000 USD20210728Open filing evidence
2020-01-01 – 2020-06-3066967000 USD20210728Open filing evidence
2019-07-01 – 2019-09-3042128000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30121984000 USD20201027Open filing evidence

Thermal Acoustical Solutions · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3085523000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30206732000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3087926000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30275511000 USD20201027Open filing evidence

Thermal Acoustical Solutions · Operating Segments · Metal Parts

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=ldl:MetalPartsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3079687000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30189456000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3080309000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30250591000 USD20201027Open filing evidence

Thermal Acoustical Solutions · Tooling · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:ProductOrServiceAxis=ldl:ToolingMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-305836000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3017276000 USD20201027Open filing evidence
2019-07-01 – 2019-09-307617000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3024920000 USD20201027Open filing evidence

Thermal Acoustical Solutions · Asia · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:StatementGeographicalAxis=srt:AsiaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-304821000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3011390000 USD20201027Open filing evidence
2019-07-01 – 2019-09-304403000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3012506000 USD20201027Open filing evidence

Thermal Acoustical Solutions · Europe · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:StatementGeographicalAxis=srt:EuropeMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3022861000 USD20201027Open filing evidence
2020-01-01 – 2020-09-3057825000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3022208000 USD20201027Open filing evidence
2019-01-01 – 2019-09-3073853000 USD20201027Open filing evidence

Thermal Acoustical Solutions · North America · Operating Segments

Statement Business Segments · Statement Geographical · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ldl:ThermalAcousticalSolutionsMember;srt:StatementGeographicalAxis=srt:NorthAmericaMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-3057841000 USD20201027Open filing evidence
2020-01-01 – 2020-09-30137517000 USD20201027Open filing evidence
2019-07-01 – 2019-09-3061315000 USD20201027Open filing evidence
2019-01-01 – 2019-09-30189152000 USD20201027Open filing evidence