Selected Quarterly Financial Information (Unaudited) (Details) (USD $)	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Valuation Allowance [Line Items]
Net sales	$ 432,344,000	$ 455,583,000
Operating income	13,900,000	14,239,000
Income (loss) from continuing operations	(19,156,000)	(22,584,000)
Income (loss) from discontinued operations, net of taxes	11,000	(4,634,000)
Net loss	(19,145,000)	(27,218,000)
Continuing operations per share - basic	$ (0.30)	$ (0.36)
Discontinued operations per share - basic	$ 0.00	$ (0.07)
Net income (loss) per share - basic	$ (0.30)	$ (0.43)
Continuing operations per share - diluted	$ (0.30)	$ (0.36)
Discontinued operations per share - diluted	$ 0.00	$ (0.07)
Net income (loss) per share - diluted	$ (0.30)	$ (0.43)
Selected Quarterly Financial Information [Abstract]
Loss on sale of discontinued operations, net of taxes	0	(5,015,000)
Tax effect on income (loss) from discontinued operations		$ (3,200,000)