Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 214,835	$ 217,952
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	25,980	21,140
Stock-based compensation	26,096	32,631
Provision for credit losses on accounts and other receivables	39,270	25,478
Amortization of deferred financing costs and discounts	1,787	1,968
Amortization of intangible assets and premium on receivables	58,252	55,662
Deferred income taxes	(499)	1,900
Investment (gain) loss	(190)	152
Other non-cash operating expense, net	663	113
Changes in operating assets and liabilities (net of acquisitions):
Accounts and other receivables	370,962	(818,969)
Prepaid expenses and other current assets	40,099	20,921
Derivative assets and liabilities, net	(28,223)	6,677
Other assets	25,141	(1,146)
Accounts payable, accrued expenses and customer deposits	(446,508)	323,268
Net cash provided by (used in) operating activities	327,665	(112,253)
Investing activities
Acquisitions, net of cash acquired	(126,691)	(35,864)
Purchases of property and equipment	(36,737)	(31,387)
Other	4,401	0
Net cash used in investing activities	(159,027)	(67,251)
Financing activities
Proceeds from issuance of common stock	33,399	8,810
Repurchase of common stock	(9,597)	(422,736)
Borrowings on securitization facility, net	(3,000)	318,000
Deferred financing costs	0	(337)
Principal payments on notes payable	(23,500)	(45,063)
Borrowings from revolver	1,964,000	490,000
Payments on revolver	(2,490,000)	(400,000)
Borrowings on swing line of credit, net	310,719	1,505
Other	264	0
Net cash used in financing activities	(217,715)	(49,821)
Effect of foreign currency exchange rates on cash	29,298	68,068
Net decrease in cash and cash equivalents and restricted cash	(19,779)	(161,257)
Cash and cash equivalents and restricted cash, beginning of period	2,289,180	2,250,695
Cash and cash equivalents and restricted cash, end of period	2,269,401	2,089,438
Supplemental cash flow information
Cash paid for interest	104,650	33,967
Cash paid for income taxes	$ 35,442	$ 72,296