Long-Term Debt (Long-term Debt Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Current maturities on long-term debt	$ (10,491)	$ (9,630)
Long-term debt, excluding current maturities	156,971	152,387
Credit Agreement [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Carrying value of the liability component		40,500
Credit Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Carrying value of the liability component	115,625	120,312
Notes Payable, Other Payables [Member] \| Acquisition Debt, Deferred Purchase Price [Member]
Debt Instrument [Line Items]
Carrying value of the liability component	$ 5,437	$ 1,205

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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