Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net sales	$ 1,305,493	$ 1,308,959	$ 4,005,560	$ 4,062,303
Cost of sales	1,237,257	1,212,442	3,746,285	3,819,474
Gross profit	68,236	96,517	259,275	242,829
Selling, general and administrative expenses	48,113	53,772	172,351	155,006
Equity in earnings of unconsolidated affiliates	9,267	15,215	29,595	26,943
Operating income	29,390	57,960	116,519	114,766
Interest expense, net	30,098	32,881	95,518	98,927
Loss on extinguishment of long-term debt	7,390		7,390	20,744
Other expense (income), net	(1,638)	14,142	29,406	19,850
Income (loss) before income taxes	(6,460)	10,937	(15,795)	(24,755)
Provision for income taxes	3,650	6,001	21,850	8,051
Net income (loss)	$ (10,110)	$ 4,936	$ (37,645)	$ (32,806)
Weighted average shares- basic and diluted	48,770	37,270	41,693	37,270
Net income (loss) per share- basic and diluted	$ (0.21)	$ 0.13	$ (0.90)	$ (0.88)