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v2.4.1.9

Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Segment Reporting Information [Line Items] |  |
Net sales | $ 366,490 us-gaap_SalesRevenueNet | $ 365,390 us-gaap_SalesRevenueNet
Operating profit (loss) | 27,500 us-gaap_OperatingIncomeLoss | 32,270 us-gaap_OperatingIncomeLoss
Packaging [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 78,960 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_PackagingReportableSegmentMember | 81,430 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_PackagingReportableSegmentMember
Operating profit (loss) | 17,510 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_PackagingReportableSegmentMember | 18,360 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_PackagingReportableSegmentMember
Energy [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 51,160 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_EnergyReportableSegmentMember | 52,780 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_EnergyReportableSegmentMember
Operating profit (loss) | 340 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_EnergyReportableSegmentMember | 2,600 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_EnergyReportableSegmentMember
Aerospace [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 45,740 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_AerospaceDefenseReportableSegmentMember | 27,190 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_AerospaceDefenseReportableSegmentMember
Operating profit (loss) | 8,080 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_AerospaceDefenseReportableSegmentMember | 4,860 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_AerospaceDefenseReportableSegmentMember
Engineered Components [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 48,270 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_EngineeredComponentsReportableSegmentMember | 55,430 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_EngineeredComponentsReportableSegmentMember
Operating profit (loss) | 5,970 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_EngineeredComponentsReportableSegmentMember | 7,880 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_EngineeredComponentsReportableSegmentMember
Cequent Asia Pacific Europe Africa [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 35,820 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAsiaPacificEuropeAfricaReportableSegmentMember | 39,470 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAsiaPacificEuropeAfricaReportableSegmentMember
Operating profit (loss) | 2,250 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAsiaPacificEuropeAfricaReportableSegmentMember | 2,500 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAsiaPacificEuropeAfricaReportableSegmentMember
Cequent Americas [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 106,540 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAmericasReportableSegmentMember | 109,090 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAmericasReportableSegmentMember
Operating profit (loss) | 5,910 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAmericasReportableSegmentMember | 5,710 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentAmericasReportableSegmentMember
Corporate, Non-Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating profit (loss) | (8,960)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateNonSegmentMember | (9,640)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateNonSegmentMember
Cequent seperation costs [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating profit (loss) | $ (3,600)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentseparationcostsMember | $ 0 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = trs_CequentseparationcostsMember

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