Discontinued Operations (Statement of Operations Information) (Details) (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0	$ 13,730,000
Income from discontinued operations before income taxes	176,000	2,234,000
Income tax expense on discontinued operations	68,000	889,000
Gain on sale of discontinued operations, net of tax expense of $0.5 million	845,000	0
Gain on sale of discontinued operations, tax expense	500,000
Income from discontinued operations, net of taxes	$ 953,000	$ 1,345,000
Discontinued operations per share - basic	$ 0.01	$ 0.02
Discontinued operations per share - diluted	$ 0.01	$ 0.02