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Changes in Accumulated Other Comprehensive Income by Component (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 31, 2014
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance			$ 1,041,325us-gaap_StockholdersEquity
Ending balance	999,651us-gaap_StockholdersEquity		1,041,325us-gaap_StockholdersEquity
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance	(22,541)	48,865
Other comprehensive income before reclassifications	(54,629)	107
Amounts reclassified from AOCI to:	0	0
Net current period other comprehensive income	(54,629)	107
Ending balance	(77,170)	48,972
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance	(38)	(11)
Other comprehensive income before reclassifications	55	1
Amounts reclassified from AOCI to:	0	0
Net current period other comprehensive income	55	1
Ending balance	17	(10)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance	(798)	(552)
Other comprehensive income before reclassifications	89	16
Amounts reclassified from AOCI to:	0	0
Net current period other comprehensive income	89	16
Ending balance	(709)	(536)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance	(4,134)	(1,174)
Other comprehensive income before reclassifications	(3,792)	(753)
Amounts reclassified from AOCI to:	2,768	533
Net current period other comprehensive income	(1,024)	(220)
Ending balance	(5,158)	(1,394)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning Balance	(27,511)	47,128
Other comprehensive income before reclassifications	(58,277)	(629)
Amounts reclassified from AOCI to:	2,768	533
Net current period other comprehensive income	(55,509)	(96)
Ending balance	(83,020)	47,032
Cost of Goods, Total [Member] \| Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Cost of Goods, Total [Member] \| Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Cost of Goods, Total [Member] \| Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Cost of Goods, Total [Member] \| Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	2,563	570
Cost of Goods, Total [Member] \| AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	2,563	570
Other Income Expense Net [Member] \| Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0
Other Income Expense Net [Member] \| Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0
Other Income Expense Net [Member] \| Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0
Other Income Expense Net [Member] \| Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	93
Other Income Expense Net [Member] \| AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	93
Sales [Member] \| Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Sales [Member] \| Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Sales [Member] \| Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	0	0
Sales [Member] \| Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	112	(37)
Sales [Member] \| AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Amounts reclassified from AOCI to:	$ 112	$ (37)