Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 261,209	$ 123,630	$ 55,178
Foreign currency translation (gain) loss	(826)	294
Unrealized (gain) loss on marketable securities	47	(24)	107
Actuarial (gain) loss on pension plan	(79)	2,660	(1,625)
Reclassification of actuarial (gain) loss to net income	(89)	49
Benefit (provision) for income taxes	42	(537)	294
Comprehensive income	$ 260,304	$ 126,072	$ 53,954