Shareholders' Equity - Schedule of Other Comprehensive Income (Loss) Tax Effect (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Before-tax amount [Abstract]
Foreign currency translation adjustment	$ (29,130)	$ 54,218	$ (23,280)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	0	484	(1,407)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	2,908	585	(1,768)
Net hedging (gain) loss reclassified into net income (loss)	(2,507)	916	1,322
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax	2,343	3,401	(6,256)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax	1,596	1,782	2,752
Total other comprehensive income (loss), before tax	(24,790)	61,386	(28,637)
Tax (provision) benefit [Abstract]
Foreign currency translation adjustment	289	(364)	(290)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(322)	(225)	681
Net hedging (gain) loss reclassified into net income (loss)	156	(353)	(510)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax	(690)	(1,047)	65
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax	(470)	(548)	(29)
Total other comprehensive income (loss) tax (provision) benefit	(1,037)	(2,537)	(83)
Net-of-tax amount
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(28,841)	53,854	(23,570)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0	484	(1,407)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	2,586	360	(1,087)
Net hedging (gain) loss reclassified into net income (loss)	(2,351)	563	812
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax	1,653	2,354	(6,191)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	1,126	1,234	2,723
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ (25,827)	$ 58,849	$ (28,720)