Income Taxes Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2012	Jan. 01, 2012
Income Tax Contingency
Deferred income on shipments to distributors and retailers and deferred revenue recognized for tax purposes	$ 46,679	$ 32,833
Deferred Tax Assets, Gross
Accruals and reserves not currently deductible	51,636	62,812
Depreciation and amortization not currently deductible	54,474	59,464
Deductible share-based compensation	61,014	62,864
Unrealized loss on investments	9,879	9,620
Unrealized foreign exchange loss	45,122	78,360
Net operating loss carryforwards	40,092	33,871
Tax credit carryforward	25,187	16,939
Other	22,218	26,747
Gross deferred tax assets	356,301	383,510
Valuation allowance	(37,259)	(25,614)
Deferred tax assets, net of valuation allowance	319,042	357,896
Deferred Tax Liabilities
Acquired intangible assets	(3,820)	(1,864)
Unrealized gain on investments	(9,324)	(6,201)
Unrealized foreign exchange gain	(43,327)	(66,006)
U.S. taxes provided on unremitted earnings of foreign subsidiaries	(28,844)	(28,844)
Total deferred tax liabilities	(85,315)	(102,915)
Net deferred tax assets	$ 233,727	$ 254,981