Supplemental Consolidating Financial Information Condensed Statement of Cash Flows (Details) - USD ($) $ in Thousands	2 Months Ended	6 Months Ended
	Feb. 27, 2015	Jun. 30, 2015	Jun. 30, 2014
Quarterly Financial Information, Quarterly Charges and Credits, Amount Reconciling to Previously Reported Results			$ 3,000
Operating cash flow		$ 85,224	38,183
Capital expenditures		(10,443)	(25,322)
Contribution to equity method investment			25,322
Investing activity with subsidiaries		0	0
Other, net		(212)	(978)
Investing cash flow		(10,655)	(26,300)
Proceeds from Related Party Debt		238,479	0
Repurchase of Convertible Notes		(146,401)	0
Redemption of 7.875% Notes		222,117	10,000
Repayments of the 2013 ABL Term Loan		(4,875)	(750)
Repayments of long-term debt and capital lease obligations		(2,367)	(146)
Payments for debt modification and issuance costs		(2,631)	(191)
Payments of debt extinguishment costs		0	(300)
Payments of stock-based compensation	$ (683,000)	(36,588)	0
Payment of dividend to related party		(45,374)	0
Proceeds from sale of common stock		154,836	0
Proceeds from capital contributions		89,604	0
Advance from related party		18,445
Payment of advance from related party		(18,445)
Financing activity with subsidiaries		0	0
Financing cash flow		22,566	(11,387)
Increase (decrease) in cash and equivalents		97,135	496
Cash and equivalents, beginning of period		48,160	54,017
Cash and equivalents, end of period		145,295	54,513
Consolidation, Eliminations [Member]
Operating cash flow		0	0
Capital expenditures		0
Contribution to equity method investment			0
Investing activity with subsidiaries		(52,881)	(3,496)
Other, net		0	0
Investing cash flow		52,881	3,496
Proceeds from Related Party Debt		0
Repurchase of Convertible Notes		0
Redemption of 7.875% Notes		0	0
Repayments of the 2013 ABL Term Loan		0	0
Borrowings under the 2015 ABL		0	0
Repayments of the 2015 ABL		0	0
Repayments of long-term debt and capital lease obligations		0	0
Payments for debt modification and issuance costs		0	0
Payments of debt extinguishment costs			0
Payments of stock-based compensation		0
Proceeds from sale of common stock		0
Proceeds from capital contributions		0
Advance from related party		0
Payment of advance from related party		0
Financing activity with subsidiaries		52,881	3,496
Financing cash flow		(52,881)	(3,496)
Increase (decrease) in cash and equivalents		0	0
Cash and equivalents, beginning of period		0	0
Cash and equivalents, end of period		0	0
Parent Company [Member] | Reportable Legal Entities [Member]
Operating cash flow		(252,810)	0
Capital expenditures		0
Contribution to equity method investment			0
Investing activity with subsidiaries		0	0
Other, net		0	0
Investing cash flow		0	0
Proceeds from Related Party Debt		238,479
Repurchase of Convertible Notes		(146,401)
Redemption of 7.875% Notes		0	0
Repayments of the 2013 ABL Term Loan		0	0
Borrowings under the 2015 ABL		0	0
Repayments of the 2015 ABL		0	0
Repayments of long-term debt and capital lease obligations		0	0
Payments for debt modification and issuance costs		0	0
Payments of debt extinguishment costs			0
Payments of stock-based compensation		(36,588)
Payment of dividend to related party		(45,374)
Proceeds from sale of common stock		154,836
Proceeds from capital contributions		89,604
Advance from related party		18,445
Payment of advance from related party		(18,445)
Financing activity with subsidiaries		0	0
Financing cash flow		254,556	0
Increase (decrease) in cash and equivalents		1,746	0
Cash and equivalents, beginning of period		0	0
Cash and equivalents, end of period		1,746	0
Subsidiary Issuer [Member] | Reportable Legal Entities [Member]
Operating cash flow		300,870	22,112
Capital expenditures		(1,165)
Contribution to equity method investment			1,607
Investing activity with subsidiaries		52,881	2,926
Other, net		0	0
Investing cash flow		(54,046)	(4,533)
Proceeds from Related Party Debt		0
Repurchase of Convertible Notes		0
Redemption of 7.875% Notes		222,117	10,000
Repayments of the 2013 ABL Term Loan		(4,875)	(750)
Repayments of long-term debt and capital lease obligations		0	0
Payments for debt modification and issuance costs		(2,631)	(191)
Payments of debt extinguishment costs			(300)
Payments of stock-based compensation		0
Payment of dividend to related party		0
Proceeds from sale of common stock		0
Proceeds from capital contributions		0
Advance from related party		0
Payment of advance from related party		0
Financing activity with subsidiaries		1,975	0
Financing cash flow		(231,598)	(11,241)
Increase (decrease) in cash and equivalents		15,226	6,338
Cash and equivalents, beginning of period		13,707	15,851
Cash and equivalents, end of period		28,933	22,189
Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]
Operating cash flow		(925)	2,630
Capital expenditures		(1,418)
Contribution to equity method investment			4,910
Investing activity with subsidiaries		0	570
Other, net		0	44
Investing cash flow		(1,418)	(5,436)
Proceeds from Related Party Debt		0
Repurchase of Convertible Notes		0
Redemption of 7.875% Notes		0	0
Repayments of the 2013 ABL Term Loan		0	0
Borrowings under the 2015 ABL		0	0
Repayments of the 2015 ABL		0	0
Repayments of long-term debt and capital lease obligations		(2,180)	(120)
Payments for debt modification and issuance costs		0	0
Payments of debt extinguishment costs			0
Payments of stock-based compensation		0
Payment of dividend to related party		0
Proceeds from sale of common stock		0
Proceeds from capital contributions		0
Advance from related party		0
Payment of advance from related party		0
Financing activity with subsidiaries		(52,881)	(2,926)
Financing cash flow		50,701	2,806
Increase (decrease) in cash and equivalents		48,358	0
Cash and equivalents, beginning of period		0	0
Cash and equivalents, end of period		48,358	0
Non-Guarantor Subsidiaries [Member] | Reportable Legal Entities [Member]
Operating cash flow		38,089	13,441
Capital expenditures		(7,860)
Contribution to equity method investment			18,805
Investing activity with subsidiaries		0	0
Other, net		(212)	(1,022)
Investing cash flow		(8,072)	(19,827)
Proceeds from Related Party Debt		0
Repurchase of Convertible Notes		0
Redemption of 7.875% Notes		0	0
Repayments of the 2013 ABL Term Loan		0	0
Borrowings under the 2015 ABL		0	0
Repayments of the 2015 ABL		0	0
Repayments of long-term debt and capital lease obligations		(187)	(26)
Payments for debt modification and issuance costs		0	0
Payments of debt extinguishment costs			0
Payments of stock-based compensation		0
Proceeds from sale of common stock		0
Financing activity with subsidiaries		(1,975)	(570)
Financing cash flow		1,788	544
Increase (decrease) in cash and equivalents		31,805	(5,842)
Cash and equivalents, beginning of period		34,453	38,166
Cash and equivalents, end of period		$ 66,258	32,324
2013 ABL [Member]
Borrowings under the 2015 ABL			24,000
Repayments of the 2015 ABL			$ 24,000