Derivative Financial Instruments (Fair Value of Derivative Instruments as Recorded in Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Total derivatives, asset derivatives	$ 389	$ 473
Total derivatives, liability derivatives	698	412
Designated as hedging instrument | Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	1	39
Foreign currency exchange contracts, asset derivatives	386	292
Designated as hedging instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, liability derivatives	289	121
Foreign currency exchange contracts, liability derivatives	0	0
Designated as hedging instrument | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	2	142
Foreign currency exchange contracts, asset derivatives	0	0
Designated as hedging instrument | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, liability derivatives	409	291
Foreign currency exchange contracts, liability derivatives	$ 0	$ 0