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Retirement Plans - Summary of Categories in Fair Value Hierarchy (Parenthetical) (Details 10) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Fair values of pension plan assets |  |
Real estate investment grade securities | $ 941,224 cts_InvestmentGradeSecuritiesBackedByGovernment | $ 1,148,218 cts_InvestmentGradeSecuritiesBackedByGovernment

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- Definition Investment grade securities backed by government. + References No definition available. + Details
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Namespace Prefix: | cts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration