Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 89,991	$ 161,995	$ 261,209
Other comprehensive income (loss), before tax
Foreign currency translation gain (loss)	(3,125)	2,791	(826)
Unrealized gain (loss) on marketable securities	2,823	(2,380)	47
U.K. pension settlement	13,814	0	0
Actuarial loss on defined benefit pension plan	0	(14,729)	(79)
Reclassification of actuarial gain to net income	0	0	(89)
Benefit (provision) for income taxes	(3,217)	3,530	42
Comprehensive income	$ 100,286	$ 151,207	$ 260,304