Earnings Per Share (Schedule Of Anti-Dilutive Common Share Equivalents) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012		Mar. 27, 2011
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	2,710	[1]	1,936	[2]
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	117		564
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	5		3

[1] Adjustments for stock options and awards of 117 shares and deferred compensation arrangements of 5 shares were anti-dilutive in the first three months of 2012 and therefore excluded from the earnings per share calculation due to our net loss for the quarter.

[2] Adjustments for stock options and awards of 564 shares and deferred compensation arrangements of 3 shares were anti-dilutive in the first three months of 2011 and therefore excluded from the earnings per share calculation due to our net loss for the quarter.