CONSOLIDATED AND COMBINED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Jul. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Net income (loss)	$ (14,437)		$ 23,562	$ (111,560)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	19,434		44,356	42,850
Provision for bad debts	190		308	1,052
Stock based compensation for equity classified awards	1,124		1,886	3,250
Pension (income) expense	119		(153)	188
Amortization of inventory fair value adjustment	73,054		0	30,377
Amortization of deferred financing cost	911		2,368	2,275
Transaction costs	(4,487)		0	0
Accretion of contingent consideration	11,862		8,433	30,197
Decrease in fair value of contingent consideration	(23,692)		(26,948)	(53,608)
Deferred income taxes	(19,886)		(12,515)	13,792
Impairment of long-lived assets	0		0	10,795
Goodwill impairment	0		0	62,373
Loss (gain) on sales of property	0		81	22
Other	2,556		98	32
Changes in operating assets and liabilities:
Accounts receivable	(42,703)		5,981	(4,101)
Inventories	2,288		(2,496)	(764)
Prepaid expenses and other current assets	(3,830)		(5,176)	(7,788)
Accounts payable	13,785		(13,889)	6,357
Accrued expenses and other liabilities	2,492		18,432	2,341
Income taxes payable	0		2,844	(376)
Other assets and liabilities	0		(11,783)	2,780
Net cash provided by (used in) operating activities	18,780		35,389	30,484
Cash flows from investing activities:
Cash paid for property and equipment	(516)		(7,725)	(6,004)
Proceeds from sale of property	0		99	76
Acquisition of business, net of cash acquired	(625,541)		(18,192)	0
Restricted cash	220,505		0	0
Other investments	0		(11,132)	(600)
Net cash used in investing activities	(405,552)		(36,950)	(6,528)
Cash flows from financing activities:
Proceeds from long term debt	425,000		0	0
Payment of debt issuance costs	(13,120)		0	0
Payment of revolving credit facility fees	(1,266)		0	0
Other financing costs	(7,776)		0	0
Payment of Dow liabilities settlement	0		(10,000)	0
Repayment of long term debt	(2,125)		(4,015)	(4,250)
Proceeds from private placement	50,000		0	0
Borrowings under revolving credit facility	500		0	0
Repayments of revolving credit facility	(500)		0	0
Insurance premium financing	1,294		0	0
Repayment of notes payable	(380)		0	0
Repurchase of stock for treasury	(2,397)			(1,488)
Payment of withholding taxes related to stock-based compensation to employees	0			(331)
Repurchase of warrants	(2,524)		0	0
Cash transfers to/from parent, net	0		0	0
Net cash (used in) provided by financing activities	446,706		(14,015)	(6,069)
Effect of exchange rate changes on cash and cash equivalents	(2,253)		2,797	1,660
Net (decrease) increase in cash and cash equivalents	57,681		(12,779)	19,547
Cash and cash equivalents, beginning of period			77,312	57,765
Cash and cash equivalents, end of period	57,765		64,533	77,312
Supplemental disclosures of cash flow information:
Interest	10,411		18,884	24,560
Income taxes	0		3,257	3,095
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	0		1,422	815
Issuance of common stock as consideration for acquisition of business	210,000		0	0
Acquisition-related contingent consideration	190,150		691	0
Settlement of Dow liabilities not resulting from a cash payment	0		$ 55,089	$ 0
Predecessor
Net income (loss)		$ (14,057)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		17,379
Provision for bad debts		0
Stock based compensation for equity classified awards		0
Pension (income) expense		0
Amortization of inventory fair value adjustment		0
Amortization of deferred financing cost		0
Transaction costs		0
Accretion of contingent consideration		0
Decrease in fair value of contingent consideration		0
Deferred income taxes		(4,218)
Impairment of long-lived assets		0
Goodwill impairment		0
Loss (gain) on sales of property		(12)
Other		0
Changes in operating assets and liabilities:
Accounts receivable		42,585
Inventories		(5,756)
Prepaid expenses and other current assets		0
Accounts payable		(798)
Accrued expenses and other liabilities		0
Income taxes payable		(36,070)
Other assets and liabilities		(4,651)
Net cash provided by (used in) operating activities		(5,598)
Cash flows from investing activities:
Cash paid for property and equipment		(676)
Proceeds from sale of property		63
Acquisition of business, net of cash acquired		0
Restricted cash		0
Other investments		0
Net cash used in investing activities		(613)
Cash flows from financing activities:
Proceeds from long term debt		0
Payment of debt issuance costs		0
Payment of revolving credit facility fees		0
Other financing costs		0
Payment of Dow liabilities settlement		0
Repayment of long term debt		0
Proceeds from private placement		0
Borrowings under revolving credit facility		0
Repayments of revolving credit facility		0
Insurance premium financing		0
Repayment of notes payable		0
Repurchase of stock for treasury		0
Payment of withholding taxes related to stock-based compensation to employees		0
Repurchase of warrants		0
Cash transfers to/from parent, net		6,211
Net cash (used in) provided by financing activities		6,211
Effect of exchange rate changes on cash and cash equivalents		0
Net (decrease) increase in cash and cash equivalents		0
Cash and cash equivalents, beginning of period	$ 0
Cash and cash equivalents, end of period		0
Supplemental disclosures of cash flow information:
Interest		0
Income taxes		0
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment		0
Issuance of common stock as consideration for acquisition of business		0
Acquisition-related contingent consideration		0
Settlement of Dow liabilities not resulting from a cash payment		$ 0