Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets:
Fixed maturities-available for sale, at fair value (amortized cost: 2016—$14,188,050; 2015—$13,251,871)	$ 15,245,861	$ 13,758,024
Policy loans	507,975	492,462
Other long-term investments	53,852	38,438
Short-term investments	72,040	54,766
Total investments	15,879,728	14,343,690
Cash	76,163	61,383
Accrued investment income	223,148	209,915
Other receivables	384,454	344,552
Deferred acquisition costs	3,783,158	3,617,135
Goodwill	441,591	441,591
Other assets	520,313	522,104
Assets related to discontinued operations	127,532	312,843
Total assets	21,436,087	19,853,213
Liabilities:
Future policy benefits	12,825,837	12,245,811
Unearned and advance premiums	64,017	67,021
Policy claims and other benefits payable	299,565	272,898
Other policyholders' funds	96,993	95,988
Total policy liabilities	13,286,412	12,681,718
Current and deferred income taxes payable	1,743,990	1,450,888
Other liabilities	413,760	380,158
Short-term debt	264,475	490,129
Long-term debt (estimated fair value: 2016—$1,233,019; 2015—$856,291)	1,133,165	743,733
Liabilities related to discontinued operations	27,424	51,035
Total liabilities	16,869,226	15,797,661
Commitments and Contingencies (Note 15)
Shareholders' equity:
Preferred stock, par value $1 per share—Authorized 5,000,000 shares; outstanding: 0 in 2016 and 2015	0	0
Common stock, par value $1 per share—Authorized 320,000,000 shares; outstanding: (2016—127,218,183 issued, less 9,187,075 held in treasury and 2015—130,218,183 issued, less 7,848,231 held in treasury)	127,218	130,218
Additional paid-in capital	490,421	482,284
Accumulated other comprehensive income (loss)	577,574	231,947
Retained earnings	3,890,798	3,614,369
Treasury stock	(519,150)	(403,266)
Total shareholders’ equity	4,566,861	4,055,552
Total liabilities and shareholders’ equity	$ 21,436,087	$ 19,853,213