Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Fixed maturities (amortized cost of $9,590,337 in 2016 and $9,038,158 in 2015)	$ 10,399,629	$ 9,394,468
Equity securities (cost of $2,390,184 in 2016 and $2,208,834 in 2015)	4,395,569	4,074,475
Short-term investments (estimated fair value approximates cost)	1,995,491	1,642,261
Total Investments	16,790,689	15,111,204
Cash and cash equivalents	2,007,938	2,630,009
Restricted cash and cash equivalents	353,900	440,132
Receivables	1,427,092	1,113,703
Reinsurance recoverable on unpaid losses	2,038,687	2,016,665
Reinsurance recoverable on paid losses	57,940	50,123
Deferred policy acquisition costs	415,700	352,756
Prepaid reinsurance premiums	362,865	322,362
Goodwill	1,167,861	1,167,844
Intangible assets	753,191	792,372
Other assets	959,765	941,945
Total Assets	26,335,628	24,939,115
LIABILITIES AND EQUITY
Unpaid losses and loss adjustment expenses	10,199,899	10,251,953
Life and annuity benefits	1,152,676	1,123,275
Unearned premiums	2,529,540	2,166,105
Payables to insurance and reinsurance companies	260,599	224,921
Senior long-term debt and other debt (estimated fair value of $2,842,000 in 2016 and $2,403,000 in 2015)	2,602,432	2,239,271
Other liabilities	1,078,708	1,030,023
Total Liabilities	17,823,854	17,035,548
Redeemable noncontrolling interests	66,201	62,958
Commitments and contingencies
Shareholders' equity:
Common stock	3,360,830	3,342,357
Retained earnings	3,355,262	3,137,285
Accumulated other comprehensive income	1,722,277	1,354,508
Total Shareholders' Equity	8,438,369	7,834,150
Noncontrolling interests	7,204	6,459
Total Equity	8,445,573	7,840,609
Total Liabilities and Equity	$ 26,335,628	$ 24,939,115