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Debt (Schedule Of Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Capitalized lease obligations	$ 2,538	$ 2,883
Other	49	57
Total debt	326,337	335,440
Less: current maturities	18,814	19,041
Total long-term debt	307,523	316,399
2013 Term Loan
Debt Instrument [Line Items]
Term Loan	$ 323,750	$ 332,500	$ 350,000

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Current maturities of long-term debt and capital lease obligations, excluding borrowings under revolving credit facility.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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