Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Deferred Tax Assets:
Tax credit carryforwards	$ 129,724	$ 133,829
Intangible assets	56,512	70,314
Reserves and accruals	50,960	77,325
Capitalized research and development expense for income tax purposes	34,046	40,510
Share-based compensation costs	20,012	20,661
Operating loss carryforwards	24,429	56,330
Deferred income	27,237	17,840
Capital loss carryforwards	23,026	23,737
Depreciation and amortization	8,979	7,058
Investments	7,550	7,339
Other	4,185	3,723
Total deferred tax assets	386,660	458,666
Valuation allowance	(74,323)	(375,864)
Net deferred tax assets	312,337	82,802
Deferred Tax Liabilities:
Intangible assets	(70,086)	(66,878)
Undistributed foreign earnings	(13,113)	(5,584)
Other	(965)	(6,700)
Total deferred tax liabilities	(84,164)	(79,162)
Total net deferred tax assets	$ 228,173	$ 3,640