Discontinued Operations (Statement of Operations Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Discontinued Operations and Disposal Groups [Abstract]
(Loss) income from discontinued operations before income taxes	$ (32)	$ 176
Income tax expense on discontinued operations	0	68
Gain on sale of discontinued operations	0	845
Gain on sale of discontinued operations, tax expense		500
(Loss) income from discontinued operations, net of taxes	$ (32)	$ 953
Discontinued operations per share - basic	$ 0.00	$ 0.01
Discontinued operations per share - diluted	$ 0.00	$ 0.01