CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 124	$ (42,989)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	33,102	31,777
Provision for bad debts	260	0
Stock-based compensation for equity classified awards	1,318	2,901
Pension expense	227	0
Amortization of inventory fair value adjustment	0	30,377
Amortization of deferred financing costs	1,764	1,696
Accretion of contingent consideration	7,297	22,931
Decrease in fair value of contingent consideration	(2,420)	(4,969)
Deferred income taxes	(16,445)	(24,910)
Loss on sales of property	81	21
Other	93	850
Changes in operating assets and liabilities:
Accounts receivable	(8,699)	(8,520)
Inventories	(1,363)	(2,191)
Prepaid expenses and other current assets	(321)	(19,627)
Accounts payable	(9,486)	341
Accrued expenses and other liabilities	7,691	5,272
Income taxes payable	3,050	1,206
Other assets and liabilities	(1,354)	711
Net cash provided by (used in) operating activities	14,919	(5,123)
Cash flows from investing activities:
Cash paid for property and equipment	(5,281)	(5,449)
Proceeds from sale of property	99	8
Other investments	(1,050)	0
Net cash used in investing activities	(6,232)	(5,441)
Cash flows from financing activities:
Payment of Dow liabilities settlement	(10,000)	0
Repayment of long term debt	(2,125)	(3,188)
Repurchase of stock for treasury	0	(1,488)
Net cash used in financing activities	(12,125)	(4,676)
Effect of exchange rate changes on cash and cash equivalents	1,544	2,152
Net decrease in cash and cash equivalents	(1,894)	(13,088)
Cash and cash equivalents, beginning of period	77,312	57,765
Cash and cash equivalents, end of period	75,418	44,677
Supplemental disclosures of cash flow information:
Cash paid for interest	12,309	18,460
Cash paid for income taxes	1,811	2,487
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	1,422	35
Settlement of Dow liabilities not resulting from cash payment, net of deferred income taxes	$ 55,089	$ 0