Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Oct. 02, 2011	Dec. 26, 2010
Shareholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,500,000	2,500,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	24,373,898	25,685,705
Common stock, shares outstanding	24,373,898	25,685,705