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Costs Associated with Exit and Restructuring Activities - Additional Information (Details) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 21 Months Ended | 31 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 employee | Dec. 31, 2012 | Jun. 30, 2012 employee | Dec. 31, 2015 employee | Dec. 31, 2015 employee
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | $ 7,876,000 us-gaap_RestructuringCharges |  |  |  |  |  |
Cost of goods sold [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 1,935,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember |  |  |  |  |  |
Operating Expense [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 5,941,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember |  |  |  |  |  |
April 2014 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 3,470,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_April2014PlanMember |  |  |  |  |  |
June 2013 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 4,406,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember | 11,508,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember |  |  |  |  |
June 2013 Plan [Member] | Cost of goods sold [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 1,935,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember | 1,053,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember |  |  |  |  |
June 2013 Plan [Member] | Operating Expense [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges | 2,471,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember | 10,455,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember |  |  |  |  |
December 2012 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  | 264,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  | 2,519,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  |  |
Elimination of workforce |  |  | 190 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  |  |  |
December 2012 Plan [Member] | Cost of goods sold [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  | 0 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  | 54,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  |  |
December 2012 Plan [Member] | Operating Expense [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  | 264,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  | 2,465,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember / us-gaap_RestructuringPlanAxis = cts_December2012PlanMember |  |  |
June 2012 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  |  |  | 1,985,000 us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = cts_June2012PlanMember |  |  |
Elimination of workforce |  |  |  |  | 250 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_RestructuringPlanAxis = cts_June2012PlanMember |  |
June 2012 Plan [Member] | Cost of goods sold [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  |  |  | 1,013,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember / us-gaap_RestructuringPlanAxis = cts_June2012PlanMember |  |  |
June 2012 Plan [Member] | Operating Expense [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Restructuring charges |  |  |  | $ 972,000 us-gaap_RestructuringCharges / us-gaap_IncomeStatementLocationAxis = us-gaap_OperatingExpenseMember / us-gaap_RestructuringPlanAxis = cts_June2012PlanMember |  |  |
Scenario, Forecast [Member] | April 2014 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Elimination of workforce |  |  |  |  |  | 120 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_RestructuringPlanAxis = cts_April2014PlanMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |
Scenario, Forecast [Member] | June 2013 Plan [Member] |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |
Elimination of workforce |  |  |  |  |  |  | 350 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_RestructuringPlanAxis = cts_June2013PlanMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember

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- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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