Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income / (Loss) [Member]
Balance (in shares) at Mar. 28, 2015		63,085
Balance at Mar. 28, 2015	$ 756,771	$ 63	$ 1,159,431	$ (400,613)	$ (2,110)
Net income	123,630			123,630
Change in unrealized gain (loss) on marketable securities, net of tax	(15)				(15)
Change in defined benefit pension plan liability, net of tax	2,163				2,163
Change in foreign currency translation adjustments	294				294
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)		1,552
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	(242)	$ 2	6,617	(6,861)
Repurchase and retirement of common stock (in shares)		(2,007)
Repurchase and retirement of common stock	(60,503)	$ (2)		(60,501)
Amortization of deferred stock compensation	33,535		33,535
Excess tax benefit from employee stock awards	3,850		3,850
Balance (in shares) at Mar. 26, 2016		62,630
Balance at Mar. 26, 2016	859,483	$ 63	1,203,433	(344,345)	332
Cumulative effect of adoption of new ASU | Accounting Standards Update 2016-09 [Member]	5,649			5,649
Net income	261,209			261,209
Change in unrealized gain (loss) on marketable securities, net of tax	31				31
Change in defined benefit pension plan liability, net of tax	(110)				(110)
Change in foreign currency translation adjustments	(826)				(826)
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes (in shares)		2,145
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes	2,429	$ 2	16,516	(14,089)
Repurchase and retirement of common stock (in shares)		(480)
Repurchase and retirement of common stock	(15,439)	$ (1)		(15,438)
Amortization of deferred stock compensation	39,593		39,593
Excess tax benefit from employee stock awards	(327)		(327)
Balance (in shares) at Mar. 25, 2017		64,295
Balance at Mar. 25, 2017	1,151,692	$ 64	1,259,215	(107,014)	(573)
Cumulative effect of adoption of new ASU | Accounting Standards Update 2016-16	(747)			(747)
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)
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)