CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities attributable to continuing operations:
Net (loss) income and comprehensive (loss) income	$ (177,548)	$ 21,190
Less: Loss from discontinued operations, net of tax	4	3,516
Net (loss) income from continuing operations	(177,544)	24,706
Adjustments to reconcile net (loss) income from continuing operations to net cash provided by operating activities attributable to continuing operations:
Loss on impairments and disposal of assets	4,261	2,651
Amortization of intangibles	21,574	32,967
Depreciation	15,024	12,969
Non-cash compensation expense	47,990	51,804
Deferred income taxes	133,943	(455)
Change in fair value of contingent consideration	0	(8,249)
Gain on investments	0	(40,072)
Bad debt expense	2,708	1,823
Amortization of debt issuance costs	5,443	3,756
Write-off of previously-capitalized debt issuance costs	0	1,066
Amortization of debt discount	1,475	22,297
Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities	(890)	13,015
Changes in current assets and liabilities:
Accounts receivable	(1,380)	(43,688)
Prepaid and other current assets	(6,271)	(2,762)
Accounts payable, accrued expenses and other current liabilities	(19,146)	7,537
Income taxes receivable	(389)	10,322
Other, net	(469)	(794)
Net cash provided by operating activities attributable to continuing operations	26,329	88,893
Cash flows from investing activities attributable to continuing operations:
Capital expenditures	(8,970)	(30,515)
Equity investments	(16,440)	(1,180)
Net cash used in investing activities attributable to continuing operations	(25,410)	(31,695)
Cash flows from financing activities attributable to continuing operations:
Proceeds from term loan	250,000	0
Repayment of term loan	(625)	0
Repurchase of 0.625% Convertible Senior Notes	(169,659)	0
Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options	(3,292)	(6,666)
Purchase of treasury stock	(43,009)	0
Payment of debt issuance costs	(4)	(5,995)
Payment of original issue discount on undrawn term loan	0	(2,500)
Other financing activities	0	(31)
Net cash provided by (used in) financing activities attributable to continuing operations	33,411	(15,192)
Total cash provided by continuing operations	34,330	42,006
Net cash (used in) provided by operating activities attributable to discontinued operations	(7)	3,330
Total cash (used in) provided by discontinued operations	(7)	3,330
Net increase in cash, cash equivalents, restricted cash and restricted cash equivalents	34,323	45,336
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	251,342	170,049
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	$ 285,665	$ 215,385