Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Net revenues	$ 631,193	$ 585,688	$ 1,866,142	$ 1,739,877
Cost of revenues	182,156	178,233	559,037	522,404
Gross margin	449,037	407,455	1,307,105	1,217,473
Operating expenses:
Research and development	166,231	159,248	477,267	437,187
Selling, general and administrative	92,753	83,780	272,981	250,353
Amortization of acquisition-related intangibles	353	1,455	1,568	3,943
Total operating expenses	259,337	244,483	751,816	691,483
Operating income	189,700	162,972	555,289	525,990
Interest and other income (expense), net	(5,469)	392	(9,138)	6,130
Income before income taxes	195,169	162,580	564,427	519,860
Provision for income taxes	183,224	20,734	217,705	50,773
Net income	$ 11,945	$ 141,846	$ 346,722	$ 469,087
Net income per common share:
Basic (in dollars per share)	$ 0.05	$ 0.57	$ 1.39	$ 1.86
Diluted (in dollars per share)	0.05	0.52	1.34	1.74
Cash dividends per common share	$ 0.35	$ 0.33	$ 1.05	$ 0.99
Shares used in per share calculations:
Basic (in shares)	254,089	250,982	248,671	252,811
Diluted (in shares)	258,108	270,781	258,995	269,182