Net Income Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Numerator (basic and diluted):
Net income (loss) from continuing operations	$ (5,157)	$ (903)	$ (5,297)	$ 19,966
Denominator:
Weighted average common shares outstanding, basic (in shares)	144,321,000	141,839,000	143,477,000	144,792,000
Dilutive effect of employee stock options and restricted stock units (in shares)	0	0	0	1,914,000
Weighted average common shares outstanding, diluted (in shares)	144,321,000	141,839,000	143,477,000	146,706,000
Basic net income (loss) per share - continuing operations (in dollars per share)	$ (0.04)	$ (0.01)	$ (0.04)	$ 0.14
Diluted net income (loss) per share - continuing operations (in dollars per share)	$ (0.04)	$ (0.01)	$ (0.04)	$ 0.14
Shares excluded from calculation because they were anti-dilutive (in shares)	10,100,000	19,700,000	16,300,000	11,800,000