Earnings Per Share (Schedule Of Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Earnings Per Share [Abstract]
Net loss available to common stockholders	$ (2,559)	$ (129)
Weighted-average number of common shares outstanding	41,852	41,541
Shares issuable under deferred compensation agreements	805	345
Basic weighted-average number of common shares outstanding	42,657	41,886
Common shares assumed upon exercise of stock options and awards	0	0
Unvested shares issuable under deferred compensation arrangements	0	0
Dilutive weighted-average number of common shares outstanding	42,657	41,886
Basic loss per share (USD per share)	$ (0.06)	$ 0.00
Diluted loss per share (USD per share)	$ (0.06)	$ 0.00