Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets:
Fixed maturities-available for sale, at fair value (amortized cost: 2013-$12,488,875; 2012-$11,963,406)	$ 12,879,133	$ 13,541,193
Equity securities, at fair value (cost: 2013-$875; 2012-$14,875)	1,884	15,567
Policy loans	448,887	424,050
Other long-term investments	13,207	18,539
Short-term investments	76,890	94,860
Total investments	13,420,001	14,094,209
Cash	36,943	61,710
Accrued investment income	200,038	195,497
Other receivables	331,103	383,709
Deferred acquisition costs	3,337,649	3,198,431
Goodwill	441,591	441,591
Other assets	424,419	401,763
Total assets	18,191,744	18,776,910
Liabilities:
Future policy benefits	11,256,155	10,706,219
Unearned and advance premiums	74,174	76,088
Policy claims and other benefits payable	223,380	228,470
Other policyholders' funds	94,286	93,288
Total policy liabilities	11,647,995	11,104,065
Current and deferred income taxes payable	1,285,574	1,609,828
Other liabilities	261,898	392,502
Short-term debt	229,070	319,043
Long-term debt (estimated fair value: 2013-$1,360,461; 2012-$1,191,320)	990,865	989,686
Total liabilities	14,415,402	14,415,124
Shareholders' equity:
Preferred stock, par value $1 per share-Authorized 5,000,000 shares; outstanding: 0 in 2013 and in 2012	0	0
Common stock, par value $1 per share-Authorized 320,000,000 shares; outstanding: (2013-100,812,123 issued, less 11,310,536 held in treasury and 2012-105,812,123 issued, less 11,576,487 held in treasury)	100,812	105,812
Additional paid-in capital	462,058	439,782
Accumulated other comprehensive income (loss)	210,981	925,275
Retained earnings	3,545,939	3,403,338
Treasury stock	(543,448)	(512,421)
Total shareholders' equity	3,776,342	4,361,786
Total liabilities and shareholders' equity	$ 18,191,744	$ 18,776,910