Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Summary of income tax reconciliation
Provision computed at federal statutory income tax rate	$ 55,648	$ 65,895	$ 33,400
State and local income tax, net of federal tax effect	4,085	3,626	6,493
Foreign income tax rate differential	(36,392)	(39,308)	(6,676)
Non-deductible share-based compensation costs	2,053	7,785	1,651
Change in deferred tax valuation allowance	18,354	(301,542)	(3,617)
Tax credits	(18,372)	(3,744)	(12,588)
Repatriation of foreign earnings	(2,116)	(2,645)	708
Non-deductible research and development expense	3,043	1,968	0
Domestic production activity deduction	(1,088)	0	0
Withholding taxes	3,333	3,593	3,851
Tax settlements, domestic	0	(37,481)	328
Tax settlements, foreign	680	(804)	(2,451)
Interest and penalties not included in tax settlements	1,701	2,552	1,840
Increase (decrease) in unrecognized tax benefits not included in tax settlements	(33,730)	47,329	933
Other	(2,446)	1,099	(675)
Total provision (benefit) for income taxes	$ (5,247)	$ (251,677)	$ 23,197
Effective tax rate	(3.00%)	(134.00%)	24.00%