Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income / (Loss)	Accumulated Other Comprehensive Income / (Loss) Cumulative Effect, Period of Adoption, Adjustment
Balance (in shares) at Mar. 31, 2018			61,960
Balance at Mar. 31, 2018	$ 1,161,728		$ 62	$ 1,312,372	$ (139,345)		$ (11,361)
Net income	89,991				89,991
Change in unrealized gain (loss) on marketable securities, net of tax	2,231						2,231
Change in defined benefit pension plan liability, net of tax	11,189						11,189
Change in foreign currency translation adjustments	(3,125)						(3,125)
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)			964
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	(11,466)		$ 1	1,616	(13,083)
Repurchase and retirement of common stock (in shares)			(3,970)
Repurchase and retirement of common stock	(159,997)		$ (4)		(159,993)
Amortization of deferred stock compensation	49,689			49,689
Balance (in shares) at Mar. 30, 2019			58,954
Balance at Mar. 30, 2019	1,140,240		$ 59	1,363,677	(222,430)		(1,066)
Balance (Accounting Standards Update 2016-02) at Mar. 30, 2019		$ (726)				$ (726)
Balance (Accounting Standards Update 2018-02) at Mar. 30, 2019		$ 0				$ 257		$ (257)
Net income	159,498				159,498
Change in unrealized gain (loss) on marketable securities, net of tax	(2,214)						(2,214)
Change in foreign currency translation adjustments	68						68
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)			1,418
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	355		$ 1	18,634	(18,280)
Repurchase and retirement of common stock (in shares)			(2,130)
Repurchase and retirement of common stock	(120,002)		$ (2)		(120,000)
Amortization of deferred stock compensation	52,560			52,560
Balance (in shares) at Mar. 28, 2020			58,242
Balance at Mar. 28, 2020	1,229,779		$ 58	1,434,871	(201,681)		(3,469)
Net income	217,344				217,344
Change in unrealized gain (loss) on marketable securities, net of tax	4,482						4,482
Change in foreign currency translation adjustments	1,862						1,862
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)			862
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	(11,238)		$ 1	7,128	(18,367)
Repurchase and retirement of common stock (in shares)			(1,452)
Repurchase and retirement of common stock	(109,986)		$ (1)		(109,985)
Amortization of deferred stock compensation	56,762			56,762
Balance (in shares) at Mar. 27, 2021			57,652
Balance at Mar. 27, 2021	$ 1,389,005		$ 58	$ 1,498,761	$ (112,689)		$ 2,875