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Goodwill and Other Intangible Assets, Net Other Intangible Assets (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]      
Gross Amount $ 133,793,000us-gaap_FiniteLivedIntangibleAssetsGross $ 119,141,000us-gaap_FiniteLivedIntangibleAssetsGross  
Accumulated Amortization (39,302,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (29,692,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization  
Amortization of Intangible Assets 10,600,000us-gaap_AmortizationOfIntangibleAssets 9,200,000us-gaap_AmortizationOfIntangibleAssets 7,400,000us-gaap_AmortizationOfIntangibleAssets
2015 12,164,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
2016 11,650,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
2017 11,728,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
2018 11,728,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
2019 10,609,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Customer Lists and Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 123,005,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= kamn_CustomerListsAndRelationshipsMember		 109,790,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= kamn_CustomerListsAndRelationshipsMember		  
Accumulated Amortization (31,868,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= kamn_CustomerListsAndRelationshipsMember		 (23,647,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= kamn_CustomerListsAndRelationshipsMember		  
Trademarks and Tradenames [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 3,546,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember		 2,695,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember		  
Accumulated Amortization (2,080,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember		 (1,594,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TrademarksAndTradeNamesMember		  
Noncompete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 6,719,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember		 6,133,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember		  
Accumulated Amortization (4,948,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember		 (4,055,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember		  
Patents [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 523,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		 523,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		  
Accumulated Amortization $ (406,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		 $ (396,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_PatentsMember		  
Finite-Lived Intangible Assets, Useful Life 17 years    
Minimum [Member] | Customer Lists and Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 6 years    
Minimum [Member] | Trademarks and Tradenames [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 3 years    
Minimum [Member] | Noncompete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 1 year    
Maximum [Member] | Customer Lists and Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 21 years    
Maximum [Member] | Trademarks and Tradenames [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 8 years    
Maximum [Member] | Noncompete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Useful Life 9 years