Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Net sales	$ 761,990	$ 774,252
Cost of sales	685,252	679,151
Selling, general and administrative	59,850	53,777
Depreciation	13,499	13,627
Amortization	2,341	2,342
Equity in (earnings) losses of investees	0	0
Restructuring and relocation costs	460	217
Operating income (loss)	588	25,138
Interest income	664	732
Interest expense	(15,468)	(14,564)
Loss on debt extinguishment	(521)	(6,275)
Other income (expense), net	(3,894)	555
Income (loss) before income taxes	(18,631)	5,586
Income tax (expense) benefit	(5,972)	(3,209)
Net income (loss)	(24,603)	2,377
Income (Loss) from Continuing Operations Attributable to Parent	$ (24,603)	$ 2,377
Earnings (loss) per common share - basic (in dollars per share)	$ (0.53)	$ 0.05
Earnings (loss) per common share - diluted (in dollars per share)	$ (0.53)	$ 0.05