Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income / (Loss)
Cumulative effect of adoption of new ASU | Accounting Standards Update 2016-16	$ (747)			$ (747)
Balance (in shares) at Mar. 25, 2017		64,295
Balance at Mar. 25, 2017	1,151,692	$ 64	$ 1,259,215	(107,014)	$ (573)
Net income	161,995			161,995
Change in unrealized gain (loss) on marketable securities, net of tax	(1,630)				(1,630)
Change in defined benefit pension plan liability, net of tax	(11,949)				(11,949)
Change in foreign currency translation adjustments	2,791				2,791
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)		1,054
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	(13,389)	$ 1	4,416	(17,806)
Cumulative effect of adoption of ASU 2018-02	0
Repurchase and retirement of common stock (in shares)		(3,389)
Repurchase and retirement of common stock	(175,776)	$ (3)		(175,773)
Amortization of deferred stock compensation	48,741		48,741
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)
Cumulative effect of adoption of ASU 2018-02	0
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)
Cumulative effect of adoption of new ASU | Accounting Standards Update 2016-02	(726)			(726)
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)
Cumulative effect of adoption of ASU 2018-02	(257)			257	(257)
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)