Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income / (Loss) [Member]	Total
Balance at Mar. 30, 2013	$ 63	$ 1,041,771	$ (492,741)	$ (919)	$ 548,174
Balance, shares at Mar. 30, 2013	63,291
Net income			108,111		108,111
Change in unrealized gain (loss) on marketable securities, net of tax				33	33
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes, value	$ 1	5,319	(3,868)		1,452
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes, shares	1,301
Repurchase and retirement of common stock, value	$ (2)		(52,136)		(52,138)
Repurchase and retirement of common stock, shares	(2,636)
Amortization of deferred stock compensation		23,281			23,281
Excess tax benefit from employee stock awards		8,445			8,445
Balance at Mar. 29, 2014	$ 62	1,078,816	(440,634)	(886)	637,358
Balance, shares at Mar. 29, 2014	61,956
Net income			55,178		55,178
Change in unrealized gain (loss) on marketable securities, net of tax				69	69
Change in pension liability, net of tax				(1,293)	(1,293)
Change in foreign currency translation adjustments		(29)			(29)
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes, value	$ 2	5,326	(4,624)		704
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes, shares	1,709
Repurchase and retirement of common stock, value	$ (1)		(10,533)		(10,534)
Repurchase and retirement of common stock, shares	(580)
Amortization of deferred stock compensation		37,626			37,626
Excess tax benefit from employee stock awards		37,692			37,692
Balance at Mar. 28, 2015	$ 63	1,159,431	(400,613)	(2,110)	756,771
Balance, shares at Mar. 28, 2015	63,085
Net income			123,630		123,630
Change in unrealized gain (loss) on marketable securities, net of tax				(15)	(15)
Change in pension 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, value	$ 2	6,617	(6,861)		(242)
Issuance of stock under stock option plans and other, net of shares withheld for employee taxes, shares	1,552
Repurchase and retirement of common stock, value	$ (2)		$ (60,501)		(60,503)
Repurchase and retirement of common stock, shares	(2,007)
Amortization of deferred stock compensation		33,535			33,535
Excess tax benefit from employee stock awards		$ 3,850			3,850
Balance at Mar. 26, 2016					$ 859,483
Balance, shares at Mar. 26, 2016	62,630