Changes in Accumulated Other Comprehensive Income by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	$ 1,041,325	$ 1,077,568
Balance, value, end of period	990,076	1,041,325
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	(27,511)	47,128
Other comprehensive income before reclassifications	(64,553)	(82,729)
Total reclassification out of AOCI	11,025	8,090
Net current period other comprehensive income	(53,528)	(74,639)
Balance, value, end of period	(81,039)	(27,511)
Accumulated Other Comprehensive Income [Member] | Sales [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	112	(176)
Accumulated Other Comprehensive Income [Member] | Cost of Goods, Total [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	10,786	7,930
Accumulated Other Comprehensive Income [Member] | Other Income Expense Net [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	127	336
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	(22,541)	48,865
Other comprehensive income before reclassifications	(56,704)	(71,406)
Total reclassification out of AOCI	0	0
Net current period other comprehensive income	(56,704)	(71,406)
Balance, value, end of period	(79,245)	(22,541)
Accumulated Translation Adjustment [Member] | Sales [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Translation Adjustment [Member] | Cost of Goods, Total [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Translation Adjustment [Member] | Other Income Expense Net [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	(38)	(11)
Other comprehensive income before reclassifications	40	(27)
Total reclassification out of AOCI	0	0
Net current period other comprehensive income	40	(27)
Balance, value, end of period	2	(38)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Sales [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Cost of Goods, Total [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Other Income Expense Net [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	(798)	(552)
Other comprehensive income before reclassifications	189	(246)
Total reclassification out of AOCI	0	0
Net current period other comprehensive income	189	(246)
Balance, value, end of period	(609)	(798)
Accumulated Defined Benefit Plans Adjustment [Member] | Sales [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Defined Benefit Plans Adjustment [Member] | Cost of Goods, Total [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Defined Benefit Plans Adjustment [Member] | Other Income Expense Net [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	0	0
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Balance, value, beginning of period	(4,134)	(1,174)
Other comprehensive income before reclassifications	(8,078)	(11,050)
Total reclassification out of AOCI	11,025	8,090
Net current period other comprehensive income	2,947	(2,960)
Balance, value, end of period	(1,187)	(4,134)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Sales [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	112	(176)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Cost of Goods, Total [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	10,786	7,930
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Other Income Expense Net [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Total reclassification out of AOCI	$ 127	$ 336