Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (2,244)	$ 9,553	$ (26,228)	$ (3,488)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of property and equipment	12,696			11,206
Amortization of other intangible assets	17,311			21,120
Amortization of deferred financing costs	1,853			1,733
Amortization of net present value of deferred consideration	24			61
Amortization of original issue discounts	1,184			1,087
Stock-based compensation	9,836			9,016
Deferred tax expense	(1,478)			(906)
Loss on sale of assets	0			26
Gain on early extinguishment of debt	(11)			0
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(696)			(1,383)
Prepaid and refundable taxes	1,359			(591)
Prepaid expenses and other current assets	(12,997)			(2,292)
Leases right-of-use asset, net	(37)			573
Accounts payable and accrued expenses	(4,869)			(31,512)
Deferred revenue	12,979			10,399
Net cash provided by operating activities	34,910			15,049
Cash flows from investing activities:
Purchases of property and equipment	(9,916)			(5,423)
Net cash used in investing activities	(9,916)			(5,423)
Cash flows from financing activities:
Repayments of term loans	(7,902)			(25,000)
Repayments of senior notes	(2,836)			0
Purchase of treasury stock	(11,636)			0
Principal payments on financed equipment	(1,254)			(2,570)
Proceeds from exercise of stock options	13			5
Net cash used in financing activities	(23,615)			(27,565)
Net effect of exchange rate on cash and cash equivalents and restricted cash	(837)			(622)
Net (decrease) increase in cash and cash equivalents and restricted cash	542			(18,561)
Cash and cash equivalents and restricted cash:
Beginning of period	112,997		$ 72,015	90,576
End of period	113,539	$ 112,997		72,015
Supplemental cash flow information:
Interest paid	39,434			44,259
Income taxes paid (refunded)	(21)			1,866
Assets acquired under equipment financing	$ 7,704			$ 0