Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Common stock, shares outstanding, beginning balance at Mar. 28, 2015		258,340
Total stockholders' equity, beginning balance at Mar. 28, 2015	$ 2,611,594	$ 2,583	$ 653,882	$ 1,966,278	$ (11,149)
Components of comprehensive income:
Net income	550,867			550,867
Other comprehensive income (loss)	4,518				4,518
Issuance of common shares under employee stock plans, net (in shares)		5,043
Issuance of common shares under employee stock plans, net	51,094	$ 51	51,043
Repurchase and retirement of common stock (in shares)		(9,696)
Repurchase and retirement of common stock	(443,181)	$ (97)	(111,993)	(331,091)
Stock-based compensation expense	111,984		111,984
Stock-based compensation capitalized in inventory	(455)		(455)
Temporary equity reclassification	11,052		11,052
Cash dividends declared	(318,988)			(318,988)
Net excess tax benefits from stock-based compensation	11,408		11,408
Common stock, shares outstanding, ending balance at Apr. 02, 2016		253,687
Total stockholders' equity, ending balance at Apr. 02, 2016	2,589,893	$ 2,537	726,921	1,867,066	(6,631)
Components of comprehensive income:
Net income	622,512			622,512
Other comprehensive income (loss)	(18,050)				(18,050)
Issuance of common shares under employee stock plans, net (in shares)		4,195
Issuance of common shares under employee stock plans, net	$ 32,793	$ 42	32,751
Repurchase and retirement of common stock (in shares)	(9,900)	(9,855)
Repurchase and retirement of common stock	$ (522,046)	$ (99)	(91,223)	(430,724)
Stock-based compensation expense	122,858		122,858
Stock-based compensation capitalized in inventory	239		239
Temporary equity reclassification	11,488		11,488
Convertible debt conversion	488		488
Cash dividends declared	$ (332,542)			(332,542)
Common stock, shares outstanding, ending balance at Apr. 01, 2017	248,027	248,027
Total stockholders' equity, ending balance at Apr. 01, 2017	$ 2,507,633	$ 2,480	803,522	1,726,312	(24,681)
Components of comprehensive income:
Net income	512,381			512,381
Other comprehensive income (loss)	(4,625)				(4,625)
Issuance of common shares under employee stock plans, net (in shares)		3,133
Issuance of common shares under employee stock plans, net	$ (12,937)	$ 32	(12,969)
Repurchase and retirement of common stock (in shares)	(7,000)	(6,957)
Repurchase and retirement of common stock	$ (474,254)	$ (70)	(66,879)	(407,305)
Stock-based compensation expense	153,815		153,815
Stock-based compensation capitalized in inventory	(131)		(131)
Temporary equity reclassification	1,406		1,406
Exercise of warrants (in shares)		9,174
Exercise of warrants	0	$ 92	(92)
Cash dividends declared	$ (353,053)			(353,053)
Common stock, shares outstanding, ending balance at Mar. 31, 2018	253,377	253,377
Total stockholders' equity, ending balance at Mar. 31, 2018	$ 2,330,235	$ 2,534	$ 878,672	1,483,538	(34,509)
Components of comprehensive income:
Reclassification of stranded tax effects	$ 0			$ 5,203	$ (5,203)