Discontinued Operations Statement of Operations Information (Details) (USD $)	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Discontinued Operations [Line Items]
Net sales	$ 0	$ 9,190,000
Income (loss) from discontinued operations before income taxes	11,000	623,000
Income tax expense (benefit) on discontinued operations	0	242,000
Loss on sale of discontinued operations, net of taxes	0	(5,015,000)
Income (loss) from discontinued operations, net of taxes	11,000	(4,634,000)
Discontinued operations per share - basic	$ 0.00	$ (0.07)
Discontinued operations per share - diluted	$ 0.00	$ (0.07)
Discontinued Operations [Abstract]
Tax effect on income (loss) from discontinued operations		3,200,000
Income tax expense (benefit)	3,058,000	(1,956,000)
Prior Discontinued Operations [Member]
Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of taxes		1,800,000
Discontinued Operations [Abstract]
Tax effect on income (loss) from discontinued operations		$ 1,200,000