Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 30, 2013	Mar. 31, 2012
Stockholders' equity:
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	60,000	60,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	80,638,000	80,185,000
Treasury stock, shares (in shares)	11,029,000	11,032,000