Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Net revenues	$ 604,262	$ 598,937	$ 1,216,895	$ 1,177,892
Cost of revenues	169,617	182,816	358,806	362,516
Gross margin	434,645	416,121	858,089	815,376
Operating expenses:
Research and development	138,335	125,002	260,348	236,543
Selling, general and administrative	93,883	96,339	186,396	188,726
Amortization of acquisition-related intangibles	2,378	2,418	4,796	4,836
Litigation and contingencies	0	28,600	0	28,600
Total operating expenses	234,596	252,359	451,540	458,705
Operating income	200,049	163,762	406,549	356,671
Interest and other expense, net	5,731	10,997	11,953	20,927
Income before income taxes	194,318	152,765	394,596	335,744
Provision for income taxes	22,802	11,304	49,469	37,260
Net income	$ 171,516	$ 141,461	$ 345,127	$ 298,484
Net income per common share:
Basic (in dollars per share)	$ 0.64	$ 0.53	$ 1.29	$ 1.12
Diluted (in dollars per share)	$ 0.62	$ 0.49	$ 1.24	$ 1.05
Cash dividends per common share	$ 0.29	$ 0.25	$ 0.58	$ 0.50
Shares used in per share calculations:
Basic (in shares)	265,942	268,478	267,098	265,350
Diluted (in shares)	275,800	290,685	278,784	284,270