CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 89,978	$ 101,234
Adjustments to reconcile net income to net cash provided by operating activities:
Allowance for credit losses	2,262	3,800
Depreciation	36,921	37,893
Amortization of cloud computing implementation costs	16,917	23,234
Amortization of intangible assets	637	1,350
Realized and unrealized income from investments held in employee deferred compensation trusts	(78,937)	(77,430)
Stock-based compensation	35,289	45,153
Deferred income taxes	15,615	26,604
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(83,833)	(43,910)
Capitalized cloud computing implementation costs	(22,769)	(20,835)
Accounts payable and accrued expenses	2,370	(23,014)
Accrued payroll and benefit costs	(106)	5,753
Employee deferred compensation plan obligations	56,131	72,901
Income taxes payable, net	11,268	(7,744)
Other assets and liabilities, net	(19,207)	(7,557)
Net cash flows provided by operating activities	62,536	137,432
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(24,094)	(41,408)
Investments in employee deferred compensation trusts	(49,106)	(57,806)
Proceeds from employee deferred compensation trust redemptions	57,811	47,315
Payments for acquisitions, net of cash acquired	0	(10,722)
Net cash flows used in investing activities	(15,389)	(62,621)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchases of common stock	(6,770)	(92,069)
Dividends paid	(179,841)	(179,549)
Net cash flows used in financing activities	(186,611)	(271,618)
Effect of exchange rate fluctuations	(3,680)	24,513
Change in cash and cash equivalents	(143,144)	(172,294)
Cash and cash equivalents at beginning of period	464,435	537,583
Cash and cash equivalents at end of period	321,291	365,289
Non-cash items:
Fund exchanges within employee deferred compensation trusts	$ 117,761	$ 137,458