Income Taxes Income Taxes - Deferred Tax Assets (Liabilities) (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Deferred tax assets:
Deferred income on shipments to distributors and retailers and deferred revenue recognized for tax purposes	$ 68,117	$ 46,679
Accruals and reserves not currently deductible	63,236	51,636
Depreciation and amortization not currently deductible	81,245	54,474
Deductible share-based compensation	28,684	61,014
Unrealized loss on investments	13,620	9,879
Unrealized foreign exchange loss	8,061	45,122
Net operating loss carryforwards	36,422	40,092
Tax credit carryforwards	37,905	25,187
Other	24,667	22,218
Gross deferred tax assets	361,957	356,301
Valuation allowance	(52,105)	(37,259)
Deferred tax assets, net of valuation allowance	309,852	319,042
Deferred tax liabilities:
Acquired intangible assets	(2,701)	(3,820)
Unrealized gain on investments	(5,939)	(9,324)
Unrealized foreign exchange gain	(3,127)	(43,327)
U.S. taxes provided on unremitted earnings of foreign subsidiaries	(28,844)	(28,844)
Total deferred tax liabilities	(40,611)	(85,315)
Net deferred tax assets	$ 269,241	$ 233,727