Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Cumulative translation adjustment, Pre-tax	$ (55,688)	$ 28,835	$ (41,530)	$ 5,726
Cumulative translation adjustment, Tax	0	0	0	0
Cumulative translation adjustment, Net of Tax	(55,688)	28,835	(41,530)	5,726
Pension and Other Postretirement Adjustments
Pension and other postretirement adjustments, Pre-tax	1,927	1,328	3,404	4,784
Pension and other postretirement adjustments, Tax	(313)	(632)	(834)	(1,877)
Pension and other postretirement adjustments, Net of Tax	1,614	696	2,570	2,907
Reclassification adjustments for derivatives, Pre-tax	1,795	1,847	5,432	5,587
Reclassification adjustments for derivatives, Tax	(654)	(673)	(1,979)	(2,036)
Reclassification adjustments for derivatives, Net of tax	1,141	1,174	3,453	3,551
Total other comprehensive income (loss), Pre-tax	(51,966)	32,010	(32,694)	16,097
Total other comprehensive income (loss), Tax	(967)	(1,305)	(2,813)	(3,913)
Other comprehensive income (loss)	$ (52,933)	$ 30,705	$ (35,507)	$ 12,184