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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FROM OPERATING ACTIVITIES:
Net income to common stockholders	$ 814,380	$ 650,434
Adjustments to reconcile net income to net cash from operating activities:
Net investment losses (gains)	32,733	(81,664)
Depreciation and (accretion) amortization	(145,062)	6,900
Noncontrolling interests	(460)	1,019
Investment funds	3,873	(993)
Stock incentive plans	26,856	25,085
Change in:
Arbitrage trading account	51,013	(30,331)
Premiums and fees receivable	(332,640)	(272,849)
Reinsurance accounts	81,755	(242,376)
Deferred policy acquisition costs	(77,772)	(68,414)
Income taxes	27,699	(5,703)
Reserves for losses and loss expenses	852,523	914,169
Unearned premiums	422,409	398,563
Other	(129,742)	(139,771)
Net cash from operating activities	1,627,565	1,154,069
CASH USED IN INVESTING ACTIVITIES:
Proceeds from sale of fixed maturity securities	1,089,183	623,886
Proceeds from sale of equity securities	253,498	97,916
Distributions from investment funds	21,011	12,963
Proceeds from maturities and prepayments of fixed maturity securities	2,133,775	1,824,819
Purchase of fixed maturity securities	(4,203,540)	(2,833,467)
Purchase of equity securities	(180,350)	(62,485)
Real estate purchased	(44,603)	(7,049)
Change in loans receivable	(148,241)	13,767
Net purchases of property, furniture and equipment	(78,468)	(25,720)
Change in balances due to security brokers	165,430	99,976
Cash received in connection with business disposition	0	94,076
Other	0	127
Net cash used in investing activities	(992,305)	(161,191)
CASH USED IN FINANCING ACTIVITIES:
Repayment of senior notes and other debt	0	(1,954)
Net proceeds from issuance of debt	420	160
Cash dividends to common stockholders	(185,721)	(186,921)
Purchase of common treasury shares	(223,763)	(427,619)
Other, net	943	324
Net cash used in financing activities	(408,121)	(616,010)
Net impact on cash due to change in foreign exchange rates	(10,064)	(2,656)
Net change in cash and cash equivalents	217,075	374,212
Cash and cash equivalents at beginning of period	1,363,195	1,449,346
Cash and cash equivalents at end of period	$ 1,580,270	$ 1,823,558

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