CONSOLIDATED CONDENSED STATEMENTS OF INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues
Premiums and policy fees	$ 653,664	$ 681,324	$ 2,129,616	$ 2,081,442
Reinsurance ceded	(277,628)	(311,862)	(1,000,245)	(944,276)
Net of reinsurance ceded	376,036	369,462	1,129,371	1,137,166
Net investment income	434,772	446,374	1,320,848	1,328,554
Realized investment gains (losses):
Derivative financial instruments	32,212	(116,663)	102,410	(194,340)
All other investments	(19,268)	122,476	(133,741)	225,838
Other-than-temporary impairment losses	(6,635)	(3,402)	(9,764)	(51,083)
Portion recognized in other comprehensive income (before taxes)	(2,046)	(5,097)	(7,501)	10,546
Net impairment losses recognized in earnings	(8,681)	(8,499)	(17,265)	(40,537)
Other income	65,523	51,046	180,595	176,309
Total revenues	880,594	864,196	2,582,218	2,632,990
Benefits and expenses
Benefits and settlement expenses, net of reinsurance ceded: (three months: 2013 - $203,361; 2012 - $307,158; nine months: 2013 - $882,203; 2012 - $896,946)	622,910	627,993	1,759,780	1,780,416
Amortization of deferred policy acquisition costs and value of business acquired	17,388	11,189	117,115	129,026
Other operating expenses, net of reinsurance ceded: (three months: 2013 - $48,371; 2012 - $47,505; nine months: 2013 - $141,136; 2012 - $142,187)	126,941	118,325	403,227	358,726
Total benefits and expenses	767,239	757,507	2,280,122	2,268,168
Income before income tax	113,355	106,689	302,096	364,822
Income tax expense	37,107	35,778	98,966	116,428
Net income	$ 76,248	$ 70,911	$ 203,130	$ 248,394