CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 78,291	$ 99,021
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Realized investment losses (gains)	1,344	12,947
Amortization of deferred policy acquisition costs and value of business acquired	52,239	56,836
Capitalization of deferred policy acquisition costs	(63,154)	(63,971)
Depreciation expense	2,205	2,326
Deferred income tax	38,963	(23,126)
Accrued income tax	35,609	73,508
Interest credited to universal life and investment products	223,468	243,608
Policy fees assessed on universal life and investment products	(222,969)	(188,790)
Change in reinsurance receivables	(36,723)	(29,191)
Change in accrued investment income and other receivables	(6,367)	(9,776)
Change in policy liabilities and other policyholders' funds of traditional life and health products	34,278	(11,714)
Trading securities:
Maturities and principal reductions of investments	54,121	98,457
Sale of investments	40,031	273,030
Cost of investments acquired	(65,419)	(371,030)
Other net change in trading securities	(11,225)	17,623
Change in other liabilities	(55,658)	(117,178)
Other income - gains on repurchase of non-recourse funding obligations	(1,250)	(35,456)
Other, net	(708)	4,899
Net cash provided by operating activities	97,076	32,023
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	229,316	314,920
Sale of investments, available-for-sale	652,347	719,031
Cost of investments acquired, available-for-sale	(1,436,523)	(1,198,459)
Change in investments, held-to-maturity	(15,000)
Mortgage loans:
New lendings	(42,919)	(81,226)
Repayments	156,924	117,107
Change in investment real estate, net	924	(1,754)
Change in policy loans, net	3,189	1,969
Change in other long-term investments, net	(43,089)	(83,836)
Change in short-term investments, net	60,888	(30,950)
Net unsettled security transactions	48,166	93,942
Purchase of property and equipment	(6,140)	(1,824)
Sales of property and equipment	57
Net cash used in investing activities	(391,860)	(151,080)
Cash flows from financing activities
Borrowings under line of credit arrangements and debt	40,000	25,000
Principal payments on line of credit arrangement and debt	(50,000)	(65,000)
Issuance (repayment) of non-recourse funding obligations	10,000	(110,800)
Repurchase program borrowings	150,000	221,569
Dividends to shareowners	(14,070)	(13,073)
Repurchase of common stock		(25,977)
Investment product deposits and change in universal life deposits	798,912	894,572
Investment product withdrawals	(733,756)	(895,493)
Other financing activities, net		(3,686)
Net cash provided by financing activities	201,086	27,112
Change in cash	(93,698)	(91,945)
Cash at beginning of period	368,801	267,298
Cash at end of period	$ 275,103	$ 175,353