CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (198,106)	$ 4,214
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	14,763	3,582
Amortization and write-off of deferred loan costs	1,212	900
Amortization of debt discount	1,095	389
Share-based employee compensation expense	824	2,359
Impairment of goodwill and intangible assets	199,500
Deferred income taxes	(16,031)	4,355
Decrease (increase) in accounts receivable, net	16,665	(31,123)
Decrease in inventory	4,057	6,025
Decrease in other current assets	4,746	168
Increase in accounts payable	12,612	6,555
Decrease in accrued salaries and benefits	(4,852)	(767)
Increase in other current liabilities	5,501	5,576
Increase in deferred revenue	3,247	2,309
Other	1,790	660
Net cash flows provided by operating activities	47,023	5,202
Cash flows from investing activities:
Acquisition of property and equipment	(4,875)	(3,898)
Business acquisitions, net of cash acquired		(1,062,818)
Net cash flows used in investing activities	(4,875)	(1,066,716)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	160,325	1,274,925
Payments of long-term debt	(123,000)	(167,134)
Payments related to tax withholding for share-based compensation	(2,795)	(342)
Exercise of stock options	601	234
Deferred loan costs		(30,189)
Principal payments related to financing leases	(152)	(11)
Change in cash overdraft and other	3,421	902
Net cash flows provided by financing activities	38,400	1,078,385
Effect of exchange rate changes on cash		(16)
Net increase in cash and cash equivalents	80,548	16,855
Cash and cash equivalents, beginning of period	2,486	1,933
Cash and cash equivalents, end of period	$ 83,034	$ 18,788