Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Investments:
Fixed maturity securities available for sale, at fair value (amortized cost - $8,709,444 in 2016 and $9,470,795 in 2015)	$ 9,744,199	$ 10,215,328
Equity securities available for sale, at fair value (cost - $382,168 in 2016 and $450,563 in 2015)	434,506	500,057
Commercial mortgage loans on real estate, at amortized cost	620,185	1,151,256
Policy loans	40,349	43,858
Short-term investments	498,281	508,950
Other investments	623,977	575,323
Total investments	11,961,497	12,994,772
Cash and cash equivalents	1,232,674	1,288,305
Premiums and accounts receivable, net	1,218,299	1,260,717
Reinsurance recoverables	8,727,343	7,470,403
Accrued investment income	111,985	129,743
Deferred acquisition costs	3,001,603	3,150,934
Property and equipment, at cost less accumulated depreciation	327,861	298,414
Tax receivable	0	24,176
Goodwill	834,173	833,512
Value of business acquired	36,628	41,154
Other intangible assets, net	250,419	277,163
Other assets	387,288	469,005
Assets held in separate accounts	1,714,443	1,798,104
Total assets	29,804,213	30,036,402
Liabilities
Future policy benefits and expenses	9,748,406	9,466,694
Unearned premiums	6,298,466	6,423,720
Claims and benefits payable	3,276,722	3,896,719
Commissions payable	357,912	393,260
Reinsurance balances payable	132,878	132,728
Funds held under reinsurance	105,475	94,417
Deferred gain on disposal of businesses	439,268	92,327
Accounts payable and other liabilities	1,876,015	2,049,810
Tax payable	81,302	0
Debt	1,165,255	1,164,656
Liabilities related to separate accounts	1,714,443	1,798,104
Total liabilities	25,196,142	25,512,435
Commitments and contingencies
Stockholders’ equity
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 60,612,310 and 65,850,386 shares outstanding at June 30, 2016 and December 31, 2015, respectively	1,502	1,497
Additional paid-in capital	3,150,911	3,148,409
Retained earnings	5,181,375	4,856,674
Accumulated other comprehensive income	327,254	118,549
Treasury stock, at cost; 89,263,289 and 83,523,031 shares at June 30, 2016 and December 31, 2015, respectively	(4,052,971)	(3,601,162)
Total stockholders’ equity	4,608,071	4,523,967
Total liabilities and stockholders’ equity	$ 29,804,213	$ 30,036,402