Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income (loss)	$ 29,551	$ (1,121)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	34,038	29,158
Amortization of operating lease right-of-use assets	15,191	15,320
Loss on impairment of assets	1,620	144
Loss (gain) on sales and disposal of subsidiaries and property and equipment, net	5,698	(6,587)
Non-cash interest expense	842	825
Non-cash share-based compensation expense	3,100	5,122
Bad debt expense	16,180	8,196
Deferred income taxes	(6,867)	9,549
Unrealized foreign currency exchange loss	61,264	15,115
Other, net	(8,828)	(3,007)
Changes in operating assets and liabilities:
Receivables	(57,095)	(37,548)
Prepaid expenses and other assets	(11,068)	(4,094)
Accounts payable and accrued expenses	4,954	(25,644)
Income tax receivable/payable, net	(1,742)	41,215
Deferred revenue and other liabilities	(8,049)	(1,005)
Net cash provided by operating activities	78,789	45,638
Cash flows from investing activities
Purchase of property and equipment	(14,851)	(8,091)
Expenditures for deferred costs	0	(130)
Receipts from sales of discontinued operations and property and equipment	366	10,259
Net cash (used in) provided by investing activities	(14,485)	2,038
Cash flows from financing activities
Proceeds from issuance of long-term debt, net of original issue discount	43,956	204,691
Payments on long-term debt	(88,112)	(230,476)
Payment of dividend equivalent rights for vested share-based awards	(2,318)	(4,361)
Payments to purchase noncontrolling interests	(123)	0
Proceeds from exercise of stock options	1,530	11,624
Withholding of shares to satisfy tax withholding for vested stock awards and exercised stock options	(616)	(1,373)
Payments to repurchase common stock	0	(206,289)
Net cash used in financing activities	(45,683)	(226,184)
Effects of exchange rate changes on Cash and cash equivalents and Restricted cash	8,658	10,034
Change in cash included in current assets held for sale	(560)	0
Net change in Cash and cash equivalents and Restricted cash	26,719	(168,474)
Cash and cash equivalents and Restricted cash at beginning of period	93,784	345,575
Cash and cash equivalents and Restricted cash at end of period	$ 120,503	$ 177,101