CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) [Abstract]
NET SALES	$ 166,784	$ 162,987
COST OF GOODS SOLD	149,761	156,709
Gross profit	17,023	6,278
OPERATING EXPENSES:
Selling, general and administrative	10,454	11,075
INCOME (LOSS) FROM OPERATIONS	6,569	(4,797)
OTHER INCOME (EXPENSE):
Interest expense, net	(8,420)	(8,694)
Other income, net	(530)	145
Income (loss) before income taxes from continuing operations	(2,381)	(13,346)
INCOME TAX PROVISION	904	1,409
Income (loss) from continuing operations	(3,285)	(14,755)
DISCONTINUED OPERATIONS, NET OF TAX	(288)	(1,192)
Net income (loss)	(3,573)	(15,947)
Weighted average common shares outstanding-basic (in shares)	47,596	47,453
Basic loss per share - continuing operations (in dollars per share)	$ (0.07)	$ (0.31)
Basic loss per share - discontinued operations (in dollars per share)	$ (0.01)	$ (0.03)
Basic loss per share (in dollars per share)	$ (0.08)	$ (0.34)
Weighted average common shares outstanding-diluted (in shares)	47,596	47,453
Diluted loss per share - continuing operations (in dollars per share)	$ (0.07)	$ (0.31)
Diluted loss per share - discontinued operations (in dollars per share)	$ (0.01)	$ (0.03)
Diluted loss per share (in dollars per share)	$ (0.08)	$ (0.34)
OTHER COMPREHENSIVE INCOME, NET OF TAX:
Defined benefit plans	333	331
COMPREHENSIVE LOSS	$ (3,240)	$ (15,616)