Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Apr. 02, 2011
Deferred tax assets:
Inventory valuation differences	$ 498	$ 1,490
Stock-based compensation	29,451	29,755
Deferred income on shipments to distributors	10,493	19,580
Accrued expenses	39,942	42,735
Tax loss carryforwards	3,856	8,508
Tax credit carryforwards	97,104	84,694
Intangible and fixed assets	4,115	7,547
Strategic and equity investments	7,313	9,198
Deferred compensation plan	17,423	16,503
Other	3,634	3,470
Deferred Tax Assets, Gross, Total	213,829	223,480
Deferred tax asset, Valuation allowance	(28,963)	(17,841)
Total deferred tax assets	184,866	205,639
Deferred tax liabilities:
Unremitted foreign earnings	(308,017)	(264,230)
State income taxes	(17,343)	(17,842)
Convertible debt	(192,397)	(178,178)
Other	(8,605)	(4,257)
Total deferred tax liabilities	(526,362)	(464,507)
Total net deferred tax liabilities	$ (341,496)	$ (258,868)