Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities
Net income	$ 120,709	$ 129,942
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for deferred income taxes	19,443	15,741
Depreciation and amortization	29,226	15,152
Deferred financing costs, accretion expense and derivative gains/losses	(6,172)	(6,149)
Stock-based and deferred compensation	17,638	10,131
Change in fair value of contingent consideration obligations	4,498	4,000
Unrealized depreciation (appreciation) on investments	(3,503)	(1,161)
Noncash lease expense	202	0
Loss on debt extinguishment	0	100
Changes in operating assets and liabilities:
Receivables	(58,970)	(14,836)
Prepaid expenses	2,067	(1,194)
Other assets	1,331	(479)
Accounts payable and accrued expenses	(1,361)	(223)
Accrued compensation and benefits	(27,697)	(1,919)
Other liabilities	(22,909)	(717)
Net cash provided by operating activities	74,502	148,388
Cash flows from investing activities
Purchases of property and equipment	(2,479)	(725)
Purchases of investments	(30,400)	(1,879)
Sales of investments	57,423	1,089
Cash acquired from acquisition	53,572	0
Net cash provided by (used in) investing activities	78,116	(1,515)
Cash flows from financing activities
Issuance of common stock	1,380	5,481
Repurchase of common stock	(26,415)	(5,090)
Payments of taxes related to net share settlement of equity awards	(9,581)	(15,081)
Payment of debt financing fees	0	(813)
Repayment of long-term senior debt	0	(9,519)
Payment of dividends	(73,630)	(46,387)
Payment of consideration for acquisition	(63,733)	(80,000)
Net cash used in financing activities	(171,979)	(151,409)
Effect of changes of foreign exchange rate on cash and cash equivalents	500	(41)
Net decrease in cash and cash equivalents	(18,861)	(4,577)
Cash and cash equivalents, beginning of period	126,731	123,547
Cash and cash equivalents, end of period	107,870	118,970
Supplemental cash flow information
Cash paid for interest	33,361	39,766
Cash paid for income taxes	43,338	30,108
Non-cash investing and financing activities
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 34,992	$ 2,862
Total share issued	1,328,339	0