Guarantor Finanical Information Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net (loss) income	$ (39,080)	[1]	$ (7,325)	[1]	$ (72,298)	[1]	$ (15,998)	[1]	$ (12,630)	[1]	$ (6,911)	[1]	$ (3,799)	[1]	$ (10,622)	[1]	$ (134,701)	$ (33,962)	$ (9,748)
Equity in Losses (Earnings) of Subsidiary																	0	0	0
Adjustments to reconcile net (loss) income to cash (used in) from operating activities																	59,624	108,347	15,099
Net cash (used in) from operating activities																	(75,077)	74,385	5,351
Acquisition/Investment of businesses, net of cash acquired																	0	0	(6,472)
Capital expenditures																	(12,351)	(11,604)	(11,121)
Proceeds from sale of property, plant and equipment																	7,464	794	153
Payments for Advance to Affiliate																	0
Net cash (used in) from investing activities																	(4,887)	(10,810)	(17,440)
Proceeds from long-term debt																	462,404	115,300	767,090
Repayments of long-term debt																	(403,811)	(170,345)	(762,887)
Net intercompany (repayments) borrowings																	0	0	0
Other financing activities, net																	(393)	1,140	(1,294)
Net cash from (used in) financing activities																	58,200	(53,905)	2,909
Effect of exchange rate changes on cash and cash equivalents																	(611)	(448)	263
Net change in cash and cash equivalents																	(22,375)	9,222	(8,917)
Cash and cash equivalents—beginning of year							30,829								21,607		30,829	21,607	30,524
Cash and cash equivalents—end of year	8,454								30,829								8,454	30,829	21,607
Parent
Net (loss) income																	(134,700)	(33,962)	(9,748)
Equity in Losses (Earnings) of Subsidiary																	43,422	8,938	(3,983)
Adjustments to reconcile net (loss) income to cash (used in) from operating activities																	50,994	86,665	22,233
Net cash (used in) from operating activities																	(40,284)	61,641	8,502
Acquisition/Investment of businesses, net of cash acquired																			(6,472)
Capital expenditures																	(5,642)	(6,700)	(6,374)
Proceeds from sale of property, plant and equipment																	7,464	778	150
Payments for Advance to Affiliate																	(25,941)
Net cash (used in) from investing activities																	(24,119)	(5,922)	(12,696)
Proceeds from long-term debt																	459,406	115,300	756,550
Repayments of long-term debt																	(402,774)	(166,190)	(745,838)
Net intercompany (repayments) borrowings																	0	(1,896)	(13,255)
Other financing activities, net																	(393)	1,636	(1,267)
Net cash from (used in) financing activities																	56,239	(51,150)	(3,810)
Effect of exchange rate changes on cash and cash equivalents																	0	0	0
Net change in cash and cash equivalents																	(8,164)	4,569	(8,004)
Cash and cash equivalents—beginning of year							8,675								4,106		8,675	4,106	12,110
Cash and cash equivalents—end of year	511								8,675								511	8,675	4,106
Guarantors
Net (loss) income																	5,245	4,013	3,354
Equity in Losses (Earnings) of Subsidiary																	0	0	0
Adjustments to reconcile net (loss) income to cash (used in) from operating activities																	(265)	1,298	2,208
Net cash (used in) from operating activities																	4,980	5,311	5,562
Acquisition/Investment of businesses, net of cash acquired																			0
Capital expenditures																	(1,530)	(1,466)	(1,862)
Proceeds from sale of property, plant and equipment																	0	9	0
Payments for Advance to Affiliate																	0
Net cash (used in) from investing activities																	(1,530)	(1,457)	(1,862)
Proceeds from long-term debt																	0	0	0
Repayments of long-term debt																	0	0	0
Net intercompany (repayments) borrowings																	(2,968)	(4,262)	(2,804)
Other financing activities, net																	0	0	0
Net cash from (used in) financing activities																	(2,968)	(4,262)	(2,804)
Effect of exchange rate changes on cash and cash equivalents																	0	0	0
Net change in cash and cash equivalents																	482	(408)	896
Cash and cash equivalents—beginning of year							495								903		495	903	7
Cash and cash equivalents—end of year	977								495								977	495	903
Non-Guarantors
Net (loss) income																	(48,873)	(12,951)	899
Equity in Losses (Earnings) of Subsidiary																	0	0	0
Adjustments to reconcile net (loss) income to cash (used in) from operating activities																	9,100	20,384	(9,612)
Net cash (used in) from operating activities																	(39,773)	7,433	(8,713)
Acquisition/Investment of businesses, net of cash acquired																			0
Capital expenditures																	(5,179)	(3,438)	(2,885)
Proceeds from sale of property, plant and equipment																	0	7	3
Payments for Advance to Affiliate																	0
Net cash (used in) from investing activities																	(5,179)	(3,431)	(2,882)
Proceeds from long-term debt																	2,998	0	10,540
Repayments of long-term debt																	(1,037)	(4,155)	(17,049)
Net intercompany (repayments) borrowings																	28,909	6,158	16,059
Other financing activities, net																	0	(496)	(27)
Net cash from (used in) financing activities																	30,870	1,507	9,523
Effect of exchange rate changes on cash and cash equivalents																	(611)	(448)	263
Net change in cash and cash equivalents																	(14,693)	5,061	(1,809)
Cash and cash equivalents—beginning of year							21,659								16,598		21,659	16,598	18,407
Cash and cash equivalents—end of year	6,966								21,659								6,966	21,659	16,598
Eliminations
Net (loss) income																	43,627	8,938	(4,253)
Equity in Losses (Earnings) of Subsidiary																	(43,422)	(8,938)	3,983
Adjustments to reconcile net (loss) income to cash (used in) from operating activities																	(205)	0	270
Net cash (used in) from operating activities																	0	0	0
Acquisition/Investment of businesses, net of cash acquired																			0
Capital expenditures																	0	0	0
Proceeds from sale of property, plant and equipment																	0	0	0
Payments for Advance to Affiliate																	25,941
Net cash (used in) from investing activities																	25,941	0	0
Proceeds from long-term debt																	0	0	0
Repayments of long-term debt																	0	0	0
Net intercompany (repayments) borrowings																	(25,941)	0	0
Other financing activities, net																	0	0	0
Net cash from (used in) financing activities																	(25,941)	0	0
Effect of exchange rate changes on cash and cash equivalents																	0	0	0
Net change in cash and cash equivalents																	0	0	0
Cash and cash equivalents—beginning of year							0								0		0	0	0
Cash and cash equivalents—end of year	$ 0								$ 0								$ 0	$ 0	$ 0

[1] Results include restructuring activity for all quarters presented and a $56,160 goodwill impairment charge for second quarter of 2014