CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 40,108	$ 58,318
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Allowance for credit losses	2,082	2,699
Depreciation	24,639	25,608
Amortization of cloud computing implementation costs	11,943	16,274
Amortization of intangible assets	426	825
Realized and unrealized income from investments held in employee deferred compensation trusts	(87,129)	(32,488)
Stock-based compensation	23,797	31,235
Deferred income taxes	14,673	1,594
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(78,943)	(30,562)
Capitalized cloud computing implementation costs	(16,169)	(13,217)
Accounts payable and accrued expenses	13,268	(25,387)
Accrued payroll and benefit costs	7,272	11,724
Employee deferred compensation plan obligations	55,708	21,548
Income taxes payable	(3,720)	4,089
Other assets and liabilities, net	(11,596)	(12,230)
Net cash flows (used in) provided by operating activities	(3,641)	60,030
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(15,651)	(27,573)
Investments in employee deferred compensation trusts	(39,656)	(51,135)
Proceeds from employee deferred compensation trust redemptions	50,164	40,081
Payments for acquisitions, net of cash acquired	0	(10,114)
Net cash flows used in investing activities	(5,143)	(48,741)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchases of common stock	(6,737)	(70,999)
Dividends paid	(120,834)	(120,659)
Net cash flows used in financing activities	(127,571)	(191,658)
Effect of exchange rate fluctuations	(3,366)	23,333
Change in cash and cash equivalents	(139,721)	(157,036)
Cash and cash equivalents at beginning of period	464,435	537,583
Cash and cash equivalents at end of period	324,714	380,547
Non-cash items:
Fund exchanges within employee deferred compensation trusts	$ 83,919	$ 95,312