CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock and Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Opening Balance at Apr. 01, 2012	$ 619,388	$ 2,377,457	$ (977,296)	$ (782,136)	$ 1,363
Opening Balance (Shares) at Apr. 01, 2012		142,194
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(20,172)			(20,172)
Other comprehensive income (loss)	123				123
Issuance of common stock	17,395	17,395
Issuance of common stock (Shares)		4,059
Stock-based compensation expense	13,292	13,292
Closing Balance at Mar. 31, 2013	630,026	2,408,144	(977,296)	(802,308)	1,486
Closing Balance (Shares) at Mar. 31, 2013		146,253
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	88,364			88,364
Other comprehensive income (loss)	123				123
Issuance of common stock	46,066	46,066
Issuance of common stock (Shares)		7,873
Repurchase of common stock	(44,005)		(44,005)
Repurchase of common stock (in shares)		(4,130)
Stock-based compensation expense	13,281	13,281
Closing Balance at Mar. 30, 2014	733,855	2,467,491	(1,021,301)	(713,944)	1,609
Closing Balance (Shares) at Mar. 30, 2014	149,996	149,996
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	93,909			93,909
Other comprehensive income (loss)	(3,790)				(3,790)
Issuance of common stock	21,067	21,067
Issuance of common stock (Shares)		3,710
Repurchase of common stock	(79,245)		(79,245)
Repurchase of common stock (in shares)		(5,292)
Stock-based compensation expense	22,458	22,458
Closing Balance at Mar. 29, 2015	$ 788,254	$ 2,511,016	$ (1,100,546)	$ (620,035)	$ (2,181)
Closing Balance (Shares) at Mar. 29, 2015	148,414	148,414