Summary Of Significant Accounting Polices (Effects Of Adjustment On (Loss) Earnings Per Share) (Details) (USD $)	3 Months Ended
	Mar. 25, 2012	Mar. 27, 2011
Basic EPS	$ (0.27)	$ (0.22)
Diluted EPS	$ (0.27)	$ (0.22)
As Previously Reported [Member]
Basic EPS		$ (0.23)
Diluted EPS		$ (0.23)
Canada Adjustments [Member]
Basic EPS		$ 0.02
Diluted EPS		$ 0.02
As Revised For Revision Adjustments [Member]
Basic EPS		$ (0.21)
Diluted EPS		$ (0.21)
Discontinued Operations Adjustments [Member]
Basic EPS		$ (0.01)
Diluted EPS		$ (0.01)