Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net income	$ 211,925	$ 157,951
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for deferred income taxes	26,651	17,232
Depreciation and amortization	22,662	33,663
Deferred financing costs, accretion expense and derivative gains/losses	(9,271)	3,171
Stock-based and deferred compensation	15,856	15,135
Change in fair value of contingent consideration obligations	2,400	19,236
Unrealized appreciation on investments	(2,475)	(693)
Loss on debt extinguishment	100	0
Changes in operating assets and liabilities:
Receivables	(11,098)	(10,681)
Prepaid expenses	(2,147)	(358)
Other assets	(551)	(2,220)
Accounts payable and accrued expenses	6,770	8,388
Accrued compensation and benefits	(10,751)	(7,125)
Other liabilities	(1,903)	(509)
Net cash provided by operating activities	248,168	233,190
Cash flows from investing activities
Purchases of property and equipment	(1,123)	(4,373)
Purchases of investments	(10,241)	(9,362)
Sales of investments	9,781	7,464
Net cash used in investing activities	(1,583)	(6,271)
Cash flows from financing activities
Issuance of common stock	7,199	5,414
Repurchase of common stock	(6,722)	(81,821)
Payments of taxes related to net share settlement of equity awards	(18,954)	(15,916)
Payment of debt financing fees	(1,024)	0
Repayments and repurchases of long-term senior debt	(9,519)	0
Payment of dividends	(72,990)	(64,769)
Payment of consideration for acquisition	(80,000)	0
Net cash used in financing activities	(182,010)	(157,092)
Effect of changes of foreign exchange rate on cash and cash equivalents	126	(11)
Net increase in cash and cash equivalents	64,701	69,816
Cash and cash equivalents, beginning of period	123,547	38,171
Cash and cash equivalents, end of period	188,248	107,987
Supplemental cash flow information
Cash paid for interest	58,957	51,181
Cash paid for income taxes	39,791	34,007
Noncash items
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 14,519	$ 0