CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands	Total		Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss), net of taxes	Treasury stock, at cost
Beginning balance at Dec. 31, 2011			$ 62	$ 373,384	$ 840,644	$ 251,980	$ (410,717)
Options exercised, 2013, 766,716 shares; 2012, 297,592 shares			0
Conversion of common stock units, 2013, 11,851 shares; 2012, 15,084 shares			0
Conversion of restricted stock units, 2013, 146,407 shares; 2012, 91,327 shares			0
Options exercised and conversion of common stock units and restricted stock units				5,480
Share-based compensation expense				1,207
Net income	72,040				72,040
Cash dividends, 2013, $0.585 per share; 2012, $0.39 per share					(16,001)
Change in net unrealized gains and losses on fixed maturities and equity securities	127,979					127,979
Change in net funded status of pension and other postretirement benefit obligations	0					0
Acquisition of shares, 2013, 173,629 shares; 2012, 801,086 shares							(13,640)
Ending balance at Sep. 30, 2012	1,232,418		62	380,071	896,683	379,959	(424,357)
Beginning balance at Dec. 31, 2012	1,245,803		62	383,135	921,969	367,089	(426,452)
Options exercised, 2013, 766,716 shares; 2012, 297,592 shares			1
Conversion of common stock units, 2013, 11,851 shares; 2012, 15,084 shares			0
Conversion of restricted stock units, 2013, 146,407 shares; 2012, 91,327 shares			0
Options exercised and conversion of common stock units and restricted stock units				15,881
Share-based compensation expense				1,065
Net income	76,606				76,606
Cash dividends, 2013, $0.585 per share; 2012, $0.39 per share					(24,311)
Change in net unrealized gains and losses on fixed maturities and equity securities	(221,849)	[1],[2]				(221,849)
Change in net funded status of pension and other postretirement benefit obligations	0					0
Acquisition of shares, 2013, 173,629 shares; 2012, 801,086 shares							(3,889)
Ending balance at Sep. 30, 2013	$ 1,089,307		$ 63	$ 400,081	$ 974,264	$ 145,240	$ (430,341)

[1] All amounts are net of tax.

[2] The pretax amounts reclassified from accumulated other comprehensive income, $(1,407) and $20,872, are included in net realized investment gains and losses and the related tax expenses (benefits), $(492) and $7,306, are included in income tax expense in the Consolidated Statements of Operations for the three and nine months ended September 30, 2013, respectively.