Accumulated Other Comprehensive Income (Loss) - Components of Reclassification Out of Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Mar. 29, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest and other, net	$ 5,822	$ 4,268	$ 4,818
Operating expense	(310,297)	(285,015)	(234,157)
Total amounts reclassified out of accumulated other comprehensive gains or losses	363	(270)	(179)
Unrealized holding gains or losses on available-for-sale investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total amounts reclassified out of accumulated other comprehensive gains or losses	363	345
Unrealized holding gains or losses on available-for-sale investments | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest and other, net	363	345	(127)
Change in unrealized gains or losses on post-employment and post-retirement benefit plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total amounts reclassified out of accumulated other comprehensive gains or losses	0	(615)
Change in unrealized gains or losses on post-employment and post-retirement benefit plans | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Operating expense	$ 0	$ (615)	$ (52)