CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (9,422)	$ (50,301)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	22,046	21,339
Provision for bad debts	789	0
Stock-based compensation for equity classified awards	806	1,687
Pension expense	153	0
Amortization of inventory fair value adjustment	0	30,377
Amortization of deferred financing costs	1,166	1,121
Accretion of contingent consideration	5,515	15,838
Decrease in fair value of contingent consideration	(996)	(3,400)
Deferred income taxes	(19,726)	(33,798)
Loss on sales of property	80	1
Provision for inventory obsolescence	89	0
Other	43	299
Changes in operating assets and liabilities:
Accounts receivable	37,232	29,617
Inventories	(2,758)	(3,764)
Prepaid expenses and other current assets	198	(7,984)
Accounts payable	(19,864)	1,181
Accrued expenses and other liabilities	(1,987)	3,482
Income taxes payable	2,581	1,008
Other assets and liabilities	205	1,244
Net cash provided by operating activities	16,150	7,947
Cash flows from investing activities:
Cash paid for property and equipment	(2,835)	(3,194)
Proceeds from sale of property	9	8
Other investments	(1,050)	0
Net cash used in investing activities	(3,876)	(3,186)
Cash flows from financing activities:
Payment of Dow liabilities settlement	(10,000)	0
Repayment of long term debt	(2,125)	(2,125)
Repurchase of stock for treasury	0	(1,488)
Net cash used in financing activities	(12,125)	(3,613)
Effect of exchange rate changes on cash and cash equivalents	1,131	1,400
Net increase in cash and cash equivalents	1,280	2,548
Cash and cash equivalents, beginning of period	77,312	57,765
Cash and cash equivalents, end of period	78,592	60,313
Supplemental disclosures of cash flow information:
Cash paid for interest	12,309	12,227
Cash paid for income taxes	1,291	2,213
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	254	796
Settlement of Dow liabilities not resulting from cash payment, net of deferred income taxes	$ 55,089	$ 0