Shareholders' Equity Schedule of Other Comprehensive Income (Loss) Tax Effect (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Before-tax amount [Abstract]
Foreign currency translation adjustment	$ 8,126	$ 28,002	$ 1,101
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(3)	(2,725)	3,054
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	0	0	(14,278)
Net hedging (gain) loss reclassified into net income (loss)	697	0	4,200
Pension plan benefits liability adjustment	7,344	(24,358)	717
Total other comprehensive income (loss), before tax	16,164	919	(5,206)
Tax (provision) benefit [Abstract]
Foreign currency translation adjustment	(1,014)	(6,597)	207
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	5	1,036	(1,145)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	0	0	5,412
Net hedging (gain) loss reclassified into net income (loss)	(266)	0	(1,589)
Pension plan benefits liability adjustment	(2,227)	7,418	135
Total other comprehensive income (loss) tax (provision) benefit	(3,502)	1,857	3,020
Net-of-tax amount
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	7,112	21,405	1,308
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	2	(1,689)	1,909
Net unrealized gain (loss) on nonderivative hedging instruments	0	0	8,866
Net hedging (gain) loss reclassified into net income (loss)	431	0	2,611
Pension plan benefit liability adjustment	5,117	(16,940)	852
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 12,662	$ 2,776	$ (2,186)