Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenues	$ 3,162,666	$ 3,059,040	$ 2,467,023
Cost of revenues:	1,025,234	955,868	743,419
Amortization of acquisition-related intangibles	22,396	0	0
Gross margin	2,115,036	2,103,172	1,723,604
Operating expenses:
Research and development	853,589	743,027	639,750
Selling, general and administrative	432,308	398,416	362,329
Amortization of acquisition-related intangibles	8,889	4,930	2,152
Restructuring charges and executive transition costs	28,362	0	33,351
Total operating expenses	1,323,148	1,146,373	1,037,582
Total cost of revenues	1,047,630	955,868	743,419
Operating income	791,888	956,799	686,022
Interest and other income (expense), net	42,096	11,533	5,357
Income before income taxes	833,984	968,332	691,379
Provision for income taxes	41,263	78,582	227,398
Net income	$ 792,721	$ 889,750	$ 463,981
Net income per common share:
Basic (in dollars per share)	$ 3.15	$ 3.52	$ 1.86
Diluted (in dollars per share)	$ 3.11	$ 3.47	$ 1.80
Shares used in per share calculations:
Basic (in shares)	251,732	252,762	249,595
Diluted (in shares)	254,943	256,434	257,960