Earnings (Loss) Per Share (Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Basic earnings (loss) per share:
Income (loss) from continuing operations		$ 516	$ (509)	$ (1,864)	$ 4,311
Less: Allocation of earnings to participating securities		(13)	0	0	(197)
Income (loss) from continuing operations available to common shareholders - basic		$ 503	$ (509)	$ (1,864)	$ 4,114
Basic weighted-average shares outstanding (1)	[1]	15,546	13,937	15,490	13,363
Basic earnings (loss) per share - continuing operations		$ 0.03	$ (0.04)	$ (0.12)	$ 0.31
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic		$ 503	$ (509)	$ (1,864)	$ 4,114
Add: Undistributed earnings reallocated to unvested shareholders		1	0	0	3
Income (loss) from continuing operations available to common shareholders - basic		$ 504	$ (509)	$ (1,864)	$ 4,117
Effect of dilutive securities:
Stock options (2)	[2]	37	0	0	134
Directors' stock performance units (2)	[2]	73	0	0	64
Diluted weighted-average shares outstanding (1)(2)	[1],[2]	15,656	13,937	15,490	13,561
Diluted earnings (loss) per share - continuing operations		$ 0.03	$ (0.04)	$ (0.12)	$ 0.30
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		236	620	352	372

[1] Includes Common and Class B Common shares, in thousands.

[2] Because their effects are anti-dilutive, shares issuable under stock option plans where the exercise price is greater than the average market price of the Company's Common Stock during the relevant period and directors' stock performance units have been excluded. Aggregate shares excluded for the three and six months ended June 27, 2015 were 236 and 352, respectively, and for the three and six months ending June 28, 2014 were 620 and 372, respectively.