Earnings Per Share (Schedule Of Anti-Dilutive Common Share Equivalents) (Details)	3 Months Ended						6 Months Ended		3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2013		Jun. 24, 2012		Mar. 25, 2012		Jun. 30, 2013		Jun. 24, 2012 Stock Options And Awards [Member]	Jun. 30, 2013 Stock Options And Awards [Member]	Jun. 24, 2012 Stock Options And Awards [Member]	Jun. 24, 2012 Deferred Compensation Arrangement [Member]	Jun. 30, 2013 Deferred Compensation Arrangement [Member]	Jun. 24, 2012 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	2,201,000	[1]	3,110,000	[1]	2,970,000	[1]	2,466,000	[1]	62,000	218,000	90,000	26,000	35,000	14,000

[1] tock options and awards of 218 shares and deferred compensation arrangements of 35 shares were anti-dilutive in the six months ended 2013, and were therefore excluded from the earnings per share calculation due to our loss from continuing operations for the year. Stock options and awards of 62 shares and 90 shares, respectively, and deferred compensation arrangements of 26 shares and 14 shares, respectively, were anti-dilutive in the first three and six months of 2012, and were therefore excluded from the earnings per share calculation due to our loss from continuing operations for the periods.