Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 159,498	$ 89,991	$ 161,995
Other comprehensive income (loss), before tax
Foreign currency translation gain (loss)	68	(3,125)	2,791
Unrealized gain (loss) on marketable securities	(2,803)	2,823	(2,380)
U.K. pension settlement	0	13,814	0
Actuarial loss on defined benefit pension plan	0	0	(14,729)
Cumulative effect of adoption of ASU 2018-02	(257)	0	0
Benefit (provision) for income taxes	589	(3,217)	3,530
Comprehensive income	$ 157,095	$ 100,286	$ 151,207

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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