Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Investments:
Fixed maturity securities available for sale, at fair value (amortized cost – $8,870,837 in 2016 and $9,470,795 in 2015)		$ 9,572,145	$ 10,215,328
Equity securities available for sale, at fair value (cost – $381,831 in 2016 and $450,563 in 2015)		421,361	500,057
Commercial mortgage loans on real estate, at amortized cost		624,033	1,151,256
Policy loans		38,533	43,858
Short-term investments		227,740	508,950
Other investments		595,264	575,323
Total investments		11,479,076	12,994,772
Cash and cash equivalents		1,031,971	1,288,305
Premiums and accounts receivable, net		1,217,969	1,260,717
Reinsurance recoverables		9,083,207	7,470,403
Accrued investment income		110,075	129,743
Deferred acquisition costs		3,267,394	3,150,934
Property and equipment, at cost less accumulated depreciation		343,572	298,414
Tax receivable		20,462	24,176
Goodwill	[1]	830,956	833,512
Value of business acquired		32,165	41,154
Other intangible assets, net		240,310	277,163
Other assets		359,684	469,005
Assets held in separate accounts		1,692,287	1,798,104
Total assets		29,709,128	30,036,402
Liabilities
Future policy benefits and expenses		10,112,878	9,466,694
Unearned premiums		6,626,525	6,423,720
Claims and benefits payable		3,301,257	3,896,719
Commissions payable		386,243	393,260
Reinsurance balances payable		95,292	132,728
Funds held under reinsurance		111,721	94,417
Deferred gain on disposal of businesses		232,135	92,327
Accounts payable and other liabilities		1,985,670	2,049,810
Debt		1,067,020	1,164,656
Liabilities related to separate accounts		1,692,287	1,798,104
Total liabilities		25,611,028	25,512,435
Commitments and contingencies
Stockholders’ equity
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 55,941,480 and 65,850,386 shares outstanding at December 31, 2016 and December 31, 2015, respectively		1,504	1,497
Additional paid-in capital		3,175,867	3,148,409
Retained earnings		5,296,678	4,856,674
Accumulated other comprehensive income		94,602	118,549
Treasury stock, at cost; 94,041,583 and 83,523,031 shares at December 31, 2016 and December 31, 2015, respectively		(4,470,551)	(3,601,162)
Total stockholders’ equity		4,098,100	4,523,967
Total liabilities and stockholders’ equity		$ 29,709,128	$ 30,036,402

[1] Includes $1,260,939 of accumulated impairment losses.