Selected Quarterly Financial Information (Unaudited) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Valuation Allowance [Line Items]
Net sales	$ 415,702,000	$ 433,218,000	$ 843,993,000	$ 882,977,000
Operating income	19,165,000	28,565,000	33,454,000	42,718,000
Income (loss) from continuing operations	(17,587,000)	(214,000)	(36,494,000)	(22,848,000)
Loss from discontinued operations, net of taxes	(1,296,000)	(187,000)	(1,534,000)	(4,771,000)
Net loss	(18,883,000)	(401,000)	(38,028,000)	(27,619,000)
Continuing operations per share - basic	$ (0.28)	$ (0.01)	$ (0.57)	$ (0.36)
Discontinued operations per share - basic	$ (0.02)	$ 0.00	$ (0.03)	$ (0.08)
Net income (loss) per share - basic	$ (0.30)	$ (0.01)	$ (0.60)	$ (0.44)
Continuing operations per share - diluted	$ (0.28)	$ (0.01)	$ (0.57)	$ (0.36)
Discontinued operations per share - diluted	$ (0.02)	$ 0.00	$ (0.03)	$ (0.08)
Net income (loss) per share - diluted	$ (0.30)	$ (0.01)	$ (0.60)	$ (0.44)
Selected Quarterly Financial Information [Abstract]
Loss on sale of discontinued operations, net of taxes	0	(304,000)	0	(5,319,000)
Tax effect on income (loss) from discontinued operations		$ (200,000)		$ (3,400,000)