CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Investments
Fixed maturities, available for sale, at fair value (amortized cost 2015, $6,479,270; 2014, $6,375,237)	$ 7,065,799		$ 6,893,090
Equity securities, available for sale, at fair value (cost 2015, $99,860; 2014, $99,904)	105,066		110,655
Short-term and other investments	450,347		399,722
Total investments	7,621,212		7,403,467
Cash	43,931		11,675
Deferred policy acquisition costs	211,522		215,082
Goodwill	47,396		47,396
Other assets	285,118		277,350
Separate Account (variable annuity) assets	1,865,240	[1]	1,813,557	[1]
Total assets	10,074,419		9,768,527
Policy liabilities
Fixed annuity contract liabilities	3,847,694		3,774,457
Interest-sensitive life contract liabilities	794,600		792,039
Unpaid claims and claim expenses	340,103		325,784
Future policy benefits	239,225		235,775
Unearned premiums	217,066		223,413
Total policy liabilities	5,438,688		5,351,468
Other policyholder funds	607,622		606,738
Other liabilities	515,143		422,362
Short-term debt	38,000		38,000
Long-term debt, current and noncurrent	199,955		199,939
Separate Account (variable annuity) liabilities	1,865,240		1,813,557
Total liabilities	8,664,648		8,432,064
Preferred stock, $0.001 par value, authorized 1,000,000 shares; none issued	0		0
Common stock, $0.001 par value, authorized 75,000,000 shares; issued, 2015, 64,454,178; 2014, 64,245,048	64		64
Additional paid-in capital	435,079		422,232
Retained earnings	1,088,917		1,065,318
Accumulated other comprehensive income (loss), net of taxes:
Net unrealized gains on fixed maturities and equity securities	335,132	[2],[3]	297,554	[2],[3]
Net funded status of pension and other postretirement benefit obligations	(12,953)	[2]	(12,953)	[2]
Treasury stock, at cost, 2015, 23,331,930 shares; 2014, 23,308,430 shares	(436,468)		(435,752)
Total shareholders’ equity	1,409,771		1,336,463
Total liabilities and shareholders’ equity	$ 10,074,419		$ 9,768,527

[1] Separate Account (variable annuity) liabilities are set equal to Separate Account (variable annuity) assets.

[2] All amounts are net of tax.

[3] The pretax amounts reclassified from accumulated other comprehensive income (loss), $5,834 and $1,699, are included in net realized investment gains and losses and the related tax expenses, $2,042 and $595, are included in income tax expense in the Consolidated Statements of Operations for the three months ended March 31, 2015 and 2014, respectively.