Earnings Per Share (Schedule Of Anti-dilutive Common Share Equivalents) (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011		Dec. 26, 2010		Dec. 27, 2009
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	2,380	[1]	1,516	[1]	2,507	[1]
Stock Options And Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	329
Deferred Compensation Arrangement [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	11

[1] Adjustments for stock options and awards of 329 shares and deferred compensation arrangements of 11 shares were anti-dilutive in fiscal 2011 and therefore excluded from the earnings per share calculation due to our net loss for the year.