Stockholders' Equity (Details) (USD $)	12 Months Ended
	Dec. 25, 2011	Dec. 26, 2010
Stockholders' Equity [Abstract]
Preferred stock, shares authorized	100,000
Preferred stock, par value	$ 0.01
Common stock, shares authorized	340,000,000	340,000,000
Common stock, par value	$ 0.01	$ 0.01
Treasury shares held	8,900,000	6,100,000