Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Cumulative translation adjustment, Pre-tax	$ 16,217	$ (56,637)
Cumulative translation adjustment, Tax	0	0
Cumulative translation adjustment, Net of Tax	16,217	(56,637)
Pension and other postretirement adjustments, Pre-tax	993	1,175
Pension and other postretirement adjustments, Tax	(322)	(395)
Pension and other postretirement adjustments, Net of Tax	671	780
Reclassification adjustments for derivatives, Pre-tax	1,724	1,772
Reclassification adjustments for derivatives, Tax	(627)	(642)
Reclassification adjustments for derivatives, Net of tax	1,097	1,130
Total other comprehensive income (loss), Pre-tax	18,934	(53,690)
Total other comprehensive income (loss), Tax	(949)	(1,037)
Other comprehensive income (loss)	$ 17,985	$ (54,727)