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Acquisitions, Goodwill And Other Intangible Assets (Summary of Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]      
Amortization expense $ 12,704us-gaap_FiniteLivedIntangibleAssetsNet $ 10,008us-gaap_FiniteLivedIntangibleAssetsNet $ 11,252us-gaap_FiniteLivedIntangibleAssetsNet
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2015 15,113us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
2016 13,856us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
2017 12,536us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
2018 11,141us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
2019 9,858us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Cost of sales      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense 5,092us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
3,610us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
4,492us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2015 6,311us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
   
2016 6,273us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
   
2017 5,814us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
   
2018 4,984us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
   
2019 4,206us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfGoodsTotalMember
   
Selling, general and administrative      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense 7,612us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
6,398us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
6,760us-gaap_FiniteLivedIntangibleAssetsNet
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2015 8,802us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
   
2016 7,583us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
   
2017 6,722us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
   
2018 6,157us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
   
2019 $ 5,652us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember