Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 24,940	$ 37,332	$ 47,842	$ 65,344
Other comprehensive income, net of taxes:
Change in cumulative translation adjustment	(14,163)	15,605	14,869	(39,024)
Change in unrealized (loss) gain on available-for-sale securities	0	(7)	0	48
Change in minimum pension liability	35	(18)	8	71
Changes due to cash flow hedging instruments:
Net loss on hedge instruments	(2,308)	(1,316)	(1,684)	(5,108)
Reclassification to net income of previously deferred losses related to hedge derivatives instruments	1,059	3,099	2,081	5,867
Comprehensive income	$ 9,563	$ 54,695	$ 63,116	$ 27,198

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831270

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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