Consolidated Statements of Income (USD $) In Thousands, except Per Share data	12 Months Ended
	Apr. 02, 2011	Apr. 03, 2010	Mar. 28, 2009
Consolidated Statements of Income [Abstract]
Net revenues	$ 2,369,445	$ 1,833,554	$ 1,825,184
Cost of revenues	819,558	671,803	669,151
Gross margin	1,549,887	1,161,751	1,156,033
Operating expenses:
Research and development	392,482	369,485	355,392
Selling, general and administrative	350,626	327,560	343,768
Amortization of acquisition-related intangibles	1,034	2,493	5,332
Restructuring charges	10,346	30,064	22,023
Total operating expenses	754,488	729,602	726,515
Operating income	795,399	432,149	429,518
Gain on early extinguishment of convertible debentures			75,035
Impairment loss on investments	(5,904)	(3,805)	(54,129)
Interest and other income (expense), net	(18,415)	(6,579)	7,602
Income before income taxes	771,080	421,765	458,026
Provision for income taxes	129,205	64,281	96,307
Net income	$ 641,875	$ 357,484	$ 361,719
Net income per common share:
Basic	$ 2.43	$ 1.30	$ 1.31
Diluted	$ 2.39	$ 1.29	$ 1.31
Shares used in per share calculations:
Basic	264,094	276,012	276,113
Diluted	268,061	276,953	276,854