Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net loss	$ (18,662)	$ (3,788)
Adjustments to reconcile net loss to cash flow from operating activities
Depreciation and amortization	16,648	14,808
Provision for excess and obsolete inventory	1,073	1,529
Stock-based compensation	1,524	782
Deferred income taxes	(85)	(30)
Loss on extinguishment of debt	15,528
Write-off of deferred financing costs		2,319
Other	2,598	(72)
Increase (decrease) in cash from operating assets and liabilities
Accounts receivable	790	(2,383)
Inventory	(2,441)	668
Other current assets	(1,075)	(1,312)
Accounts payable	(2,765)	(2,971)
Accrued expenses and other liabilities	(3,997)	5,915
Cash provided by operating activities	9,136	15,465
Cash flows from investing activities
Capital expenditures	(8,419)	(5,303)
Proceeds from sale of property, plant and equipment		227
Redemption of certificate of deposit - restricted		228
Cash used in investing activities	(8,419)	(4,848)
Cash flows from financing activities
Proceeds from issuance of common stock in initial public offering	73,539
Initial public offering costs	(6,258)
Proceeds from issuance of common stock, other		13
Proceeds from issuance of long-term debt	360,438
Payments on long-term debt	(969)	(52)
Payments on senior notes	(400,000)
Payment for call premium on senior notes	(9,752)
Payments on line of credit	(8,000)	(5,500)
Proceeds from line of credit		5,500
Payments for offering costs	(563)	(1,758)
Payment for tax withholding related to net share settlement of equity awards	(97)
Deferred financing costs	(6,297)	(139)
Cash provided by (used in) financing activities	2,041	(1,936)
Effect of foreign exchange rate on cash	(575)	(132)
Increase in cash and cash equivalents	2,183	8,549
Cash and cash equivalents, beginning of period	19,739	18,578
Cash and cash equivalents, end of period	21,922	27,127
Supplemental disclosure of cash flow information
Interest paid	34,275	19,692
Income taxes paid, net	81	375
Noncash investing and financing activities
Property, plant and equipment included in accounts payable and accrued expenses and other liabilities	940	1,488
Initial public offering costs included in accrued expenses and other liabilities	$ 104	$ 561