Earnings Per Share (Schedule Of Anti-Dilutive Common Share Equivalents) (Details) In Thousands	3 Months Ended				9 Months Ended
	Sep. 25, 2011		Sep. 26, 2010		Sep. 25, 2011		Sep. 26, 2010
Weighted-average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	2,601	[1]	1,681	[1]	2,250	[1]	1,566	[1]
Stock Options And Awards [Member]
Weighted-average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	227				384
Deferred Compensation [Member]
Weighted-average common share equivalents associated with anti-dilutive stock options and restricted stock units excluded from the computation of diluted EPS	6				5

[1] Adjustments for stock options and awards of 227 shares & 384 shares and deferred compensation arrangements of 6 shares & 5 shares were anti-dilutive in three and nine months ended September 25, 2011, respectively and therefore are excluded from the earnings per share calculation due to our net loss for the quarter and year.