Consolidated Balance Sheets Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Investments:
Fixed maturity securities	$ 13,873,690	$ 13,190,668
Investment funds	1,119,907	1,198,146
Real estate	1,391,274	1,184,981
Arbitrage trading account	488,238	299,999
Equity securities available for sale	614,025	669,200
Loans receivable	74,229	106,798
Total investments	17,561,363	16,649,792
Cash and cash equivalents	773,997	795,285
Premiums and fees receivable	1,818,836	1,701,854
Due from reinsurers	1,739,835	1,743,980
Deferred policy acquisition costs	534,091	537,890
Prepaid reinsurance premiums	473,766	413,140
Trading account receivables from brokers and clearing organizations	297,208	484,593
Property, furniture and equipment	399,924	349,432
Goodwill	173,422	144,513
Accrued investment income	139,864	127,047
Other assets	423,770	402,550
Total assets	24,336,076	23,350,076
Liabilities:
Reserves for losses and loss expenses	11,654,346	11,197,195
Unearned premiums	3,409,628	3,283,300
Due to reinsurers	228,539	213,128
Trading account securities sold but not yet purchased	44,937	51,179
Federal and foreign income taxes	116,608	119,597
Other liabilities	923,369	916,318
Senior notes and other debt	1,759,929	1,760,595
Subordinated debentures	728,071	727,630
Total liabilities	18,865,427	18,268,942
Equity:
Preferred stock, par value $.10 per share: Authorized 5,000,000 shares; issued and outstanding - none	0	0
Common stock, par value $.20 per share: Authorized 500,000,000 shares, issued and outstanding, net of treasury shares, 121,769,109 and 121,193,599 shares, respectively	47,024	47,024
Additional paid-in capital	1,040,575	1,037,446
Retained earnings	6,880,062	6,595,987
Accumulated other comprehensive income	153,759	55,568
Treasury stock, at cost, 113,348,809 and 113,924,319 shares, respectively	2,690,884	2,688,817
Total stockholders’ equity	5,430,536	5,047,208
Noncontrolling interests	40,113	33,926
Total equity	5,470,649	5,081,134
Total liabilities and equity	$ 24,336,076	$ 23,350,076