CONSOLIDATED CONDENSED STATEMENTS OF SHAREOWNERS' EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data	3 Months Ended			6 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
CONSOLIDATED CONDENSED STATEMENTS OF SHAREOWNERS' EQUITY
Change in net unrealized gains/losses on investments, income tax	$ 85,553	$ 17,907	$ 130,774	$ 103,460	$ 273,255
Reclassification adjustment for investment amounts included in net income, income tax	(7,271)	(3,054)	3,894	(10,325)	5,619
Change in net unrealized gains/losses relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, income tax	(5,444)	(3,608)	(6,960)	(9,052)	(10,455)
Change in accumulated gain (loss) derivatives, income tax	(1,777)	3,621	(3,229)	1,844	(194)
Reclassification adjustment for derivative amounts included in net income, income tax	238	(361)	768	(123)	(206)
Change in postretirement benefits liability adjustment, income tax	$ (451)	$ (451)	$ 325	$ (902)	$ 649
Cash dividends (in dollars per share)	$ 0.16	$ 0.14	$ 0.14	$ 0.30	$ 0.26