Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Net revenues	$ 684,370	$ 602,810	[1]
Cost of revenues	206,888	190,824	[1]
Gross margin	477,482	411,986	[1]
Operating expenses:
Research and development	170,826	153,051
Selling, general and administrative	90,532	89,175
Amortization of acquisition-related intangibles	360	705
Total operating expenses	261,718	242,931
Operating income	215,764	169,055	[1]
Interest and other income (expense), net	(2,847)	1,839
Income before income taxes	212,917	170,894	[1]
Provision for income taxes	22,879	13,650	[1]
Net income	$ 190,038	$ 157,244	[1]
Net income per common share:
Basic (in dollars per share)	$ 0.75	$ 0.63	[1]
Diluted (in dollars per share)	0.74	0.59	[1]
Common Stock, Dividends, Per Share, Declared	$ 0.36	$ 0.35
Shares used in per share calculations:
Basic (in shares)	252,682	247,911
Diluted (in shares)	255,935	265,797

[1] Prior year balances have been restated to reflect the retrospective application of the new revenue recognition accounting standard. Please refer to "Note 2. Recent Accounting Changes and Accounting Pronouncements."