Income Taxes Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	Jan. 01, 2012	Jan. 02, 2011
Income Tax Contingency
Deferred income on shipments to distributors and retailers and deferred revenue recognized for tax purposes	$ 32,833	$ 35,119
Deferred Tax Assets, Gross
Accruals and reserves not currently deductible	62,812	77,998
Depreciation and amortization not currently deductible	59,464	41,434
Deductible share-based compensation	62,864	66,961
Unrealized loss on investments	9,620	18,105
Unrealized foreign exchange loss	78,360	78,753
Net operating loss carryforwards	33,871	25,215
Tax credit carryforward	16,939	6,072
Other	26,747	21,748
Gross deferred tax assets	383,510	371,405
Valuation allowance	(25,614)	(11,198)
Deferred tax assets, net of valuation allowance	357,896	360,207
Deferred Tax Liabilities
Acquired intangible assets	(1,864)	(5,685)
Unrealized gain on investments	(6,201)	(16,913)
Unrealized foreign exchange gain	(66,006)	(92,144)
U.S. taxes provided on unremitted earnings of foreign subsidiaries	(28,844)	(28,844)
Total deferred tax liabilities	(102,915)	(143,586)
Net deferred tax assets	$ 254,981	$ 216,621