Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income	$ 29,915	$ 165,970
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	43,628	75,617
Amortization of operating lease right-of-use assets	22,200	35,797
Loss on impairment of assets	144	68,429
Gain on sales and disposal of subsidiaries and property and equipment, net	(5,797)	(625,532)
Loss on derivative instruments	0	24,517
Loss on debt extinguishment	0	77,999
Non-cash interest expense	1,127	6,129
Non-cash share-based compensation expense	6,971	7,175
Bad debt expense	14,194	17,672
Deferred income taxes	8,152	267,551
Unrealized foreign currency exchange gain	(2,169)	(11,240)
Non-cash loss from non-income tax contingencies	419	11,976
Other, net	120	(71)
Changes in operating assets and liabilities:
Receivables	(22,011)	(9,632)
Prepaid expenses and other assets	(11)	(20,021)
Accounts payable and accrued expenses	(16,866)	(47,175)
Income tax receivable/payable, net	53,588	63,151
Deferred revenue and other liabilities	21,077	(54,272)
Net cash provided by operating activities	154,681	54,040
Cash flows from investing activities
Purchase of property and equipment	(16,754)	(27,578)
Expenditures for deferred costs	(363)	(5,371)
Receipts from sales of discontinued operations, net of cash sold, and property and equipment	83,405	2,137,673
Payments on derivatives related to sale of discontinued operations	0	(50,341)
Net cash provided by investing activities	66,288	2,054,383
Cash flows from financing activities
Proceeds from issuance of long-term debt, net of original issue discount	235,181	46,493
Payments on long-term debt	(270,413)	(933,213)
Payment of dividend equivalent rights for vested share-based awards	(4,572)	0
Proceeds from exercise of stock options	11,888	1,160
Withholding of shares to satisfy tax withholding for vested stock awards and exercised stock options	(1,438)	(1,718)
Payments to repurchase common stock	(207,151)	(364,275)
Payments of call premiums and debt issuance costs	0	(32,980)
Net cash used in financing activities	(236,505)	(1,284,533)
Effects of exchange rate changes on Cash and cash equivalents and Restricted cash	6,448	(14,360)
Change in cash included in current assets held for sale	0	285,027
Net change in Cash and cash equivalents and Restricted cash	(9,088)	1,094,557
Cash and cash equivalents and Restricted cash at beginning of period	345,575	867,298
Cash and cash equivalents and Restricted cash at end of period	$ 336,487	$ 1,961,855