Derivative Financial Instruments (Pre-tax Impact of Derivative Instruments as Recorded in Consolidated Statements of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in AOCI on Derivative (Effective Portion)	$ (934)	$ (2,356)	$ 1,287
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	(600)	(1,387)	(247)
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	0	0	0
Amount of Gain or (Loss) Recognized in Income on Derivative Not Designated as Hedging Instruments	0	25	(14)
Interest rate contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in AOCI on Derivative (Effective Portion)	(1,922)	(2,664)	933
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	0	0	0
Interest rate contract | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	(1,460)	(1,495)	(460)
Foreign exchange contract
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in AOCI on Derivative (Effective Portion)	988	308	354
Amount of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	0	0	0
Foreign exchange contract | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	860	108	213
Foreign exchange contract | Costs of sales or other
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	$ 0	$ 25	$ (14)