Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (199,727)	$ (24,228)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,708	12,271
Amortization of deferred loan costs and debt discounts	2,055	1,860
Provision for doubtful accounts	(45)	637
Foreign currency (gain) loss	574	(87)
Deferred income taxes	(5,764)	(771)
Loss on asset disposal	26	140
Goodwill impairment charge	191,788	0
Non-cash compensation cost	1,530	2,434
Other, net	(965)	(567)
Changes in operating assets and liabilities:
Accounts receivable	14,357	24,060
Inventory	713	(850)
Prepaid expenses and other current assets	(5,382)	(5,073)
Accounts payable	8,297	4,493
Other accrued liabilities	(3,246)	(7,039)
Income taxes	(15,002)	348
Net cash provided by operating activities	917	7,628
Cash flows from investing activities:
Capital expenditures	(8,305)	(6,610)
Business acquisitions, net of cash acquired	(1,013)	0
Proceeds from disposal of assets	0	47
Other	6	47
Net cash used in investing activities	(9,312)	(6,516)
Cash flows from financing activities:
Net borrowings (payments) under revolving credit agreement	20,153	(3,550)
Borrowings (payments) under term loan, net of debt discount	(1,250)	0
Contingent consideration payments	0	(428)
Taxes paid related to net share settlement of share-based awards	(349)	(342)
Other	(60)	(72)
Net cash provided by (used in) financing activities	18,494	(4,392)
Effect of exchange rate changes on cash and cash equivalents	(1,751)	76
Net increase (decrease) in cash and cash equivalents	8,348	(3,204)
Cash and cash equivalents at end of period	12,175	18,288
Cash and cash equivalents at beginning of period	$ 20,523	$ 15,084