Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (44,680)	$ (164,943)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,365	22,672
Amortization of operating lease right-of-use assets	7,763	15,688
Loss on impairment of assets	144	57,714
(Gain) loss on sales and disposal of subsidiaries and property and equipment, net	(713)	16,461
Gain on derivative instruments	0	(29,330)
Loss on debt extinguishment	0	73
Non-cash interest expense	234	4,592
Non-cash share-based compensation expense	2,762	1,576
Bad debt expense	(2,535)	3,273
Deferred income taxes	4,413	84,409
Unrealized foreign currency exchange gain	(753)	(23,687)
Non-cash loss from non-income tax contingencies	69	11,995
Other, net	1,563	1,909
Changes in operating assets and liabilities:
Receivables	18,922	5,111
Prepaid expenses and other assets	(2,996)	(14,133)
Accounts payable and accrued expenses	(15,695)	(30,733)
Income tax receivable/payable, net	26,960	(16,731)
Deferred revenue and other liabilities	44,054	65,367
Net cash provided by operating activities	53,877	11,283
Cash flows from investing activities
Purchase of property and equipment	(1,211)	(11,743)
Expenditures for deferred costs	(44)	(1,896)
Receipts from sales of discontinued operations, net of cash sold, and property and equipment	9,193	30,845
Payments on derivatives related to sale of discontinued operations	0	(18,294)
Net cash provided by (used in) investing activities	7,938	(1,088)
Cash flows from financing activities
Proceeds from issuance of long-term debt, net of original issue discount	49,691	996
Payments on long-term debt	(58,890)	(53,670)
Payment of dividend equivalent rights for vested share-based awards	(3,490)	0
Proceeds from exercise of stock options	11,496	0
Withholding of shares to satisfy tax withholding for vested stock awards and exercised stock options	(774)	(1,222)
Payments to repurchase common stock	(102,171)	(145,244)
Payments of debt issuance costs	0	(14)
Net cash used in financing activities	(104,138)	(199,154)
Effects of exchange rate changes on Cash and cash equivalents and Restricted cash	11,190	(6,850)
Change in cash included in current assets held for sale	0	(3,526)
Net change in Cash and cash equivalents and Restricted cash	(31,133)	(199,335)
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	$ 314,442	$ 667,963