Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Investments:
Fixed maturity securities available for sale, at fair value (amortized cost - $8,835,922 in 2016 and $9,470,795 in 2015)	$ 9,919,591	$ 10,215,328
Equity securities available for sale, at fair value (cost - $392,780 in 2016 and $450,563 in 2015)	450,617	500,057
Commercial mortgage loans on real estate, at amortized cost	595,067	1,151,256
Policy loans	40,113	43,858
Short-term investments	396,598	508,950
Other investments	631,104	575,323
Total investments	12,033,090	12,994,772
Cash and cash equivalents	1,116,623	1,288,305
Premiums and accounts receivable, net	1,312,738	1,260,717
Reinsurance recoverables	9,059,947	7,470,403
Accrued investment income	116,823	129,743
Deferred acquisition costs	3,034,091	3,150,934
Property and equipment, at cost less accumulated depreciation	337,100	298,414
Tax receivable	0	24,176
Goodwill	839,681	833,512
Value of business acquired	34,350	41,154
Other intangible assets, net	263,284	277,163
Other assets	397,169	469,005
Assets held in separate accounts	1,738,940	1,798,104
Total assets	30,283,836	30,036,402
Liabilities
Future policy benefits and expenses	10,042,896	9,466,694
Unearned premiums	6,443,266	6,423,720
Claims and benefits payable	3,397,455	3,896,719
Commissions payable	382,778	393,260
Reinsurance balances payable	116,233	132,728
Funds held under reinsurance	106,924	94,417
Deferred gains on disposal of businesses	318,411	92,327
Accounts payable and other liabilities	2,009,379	2,049,810
Tax payable	57,083	0
Debt	1,165,557	1,164,656
Liabilities related to separate accounts	1,738,940	1,798,104
Total liabilities	25,778,922	25,512,435
Commitments and contingencies
Stockholders’ equity
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 58,010,506 and 65,850,386 shares outstanding at September 30, 2016 and December 31, 2015, respectively	1,503	1,497
Additional paid-in capital	3,168,267	3,148,409
Retained earnings	5,295,671	4,856,674
Accumulated other comprehensive income	328,106	118,549
Treasury stock, at cost; 91,954,392 and 83,523,031 shares at September 30, 2016 and December 31, 2015, respectively	(4,288,633)	(3,601,162)
Total stockholders’ equity	4,504,914	4,523,967
Total liabilities and stockholders’ equity	$ 30,283,836	$ 30,036,402