Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 622,512	$ 550,867	$ 648,216
Other comprehensive income (loss), net of tax:
Net change in unrealized gains (losses) on available-for-sale securities	(12,712)	(916)	7,483
Reclassification adjustment for gains on available-for-sale securities	(3,119)	(106)	(6,832)
Net change in unrealized gains (losses) on hedging transactions	(1,296)	15,004	(11,074)
Other Comprehensive Income, Reclassification Adjustment from AOCI on Derivatives, Net of Tax	1,701	(7,225)	2,753
Cumulative translation adjustment, net	(2,624)	(2,239)	(2,931)
Other comprehensive income (loss)	(18,050)	4,518	(10,601)
Total comprehensive income	$ 604,462	$ 555,385	$ 637,615