CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Net income	$ 181,490	$ 175,176
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Realized investment losses (gains)	(28,559)	9,230
Amortization of deferred policy acquisition costs and value of business acquired	127,185	124,024
Capitalization of deferred policy acquisition costs	(163,676)	(131,865)
Depreciation expense	4,404	4,527
Deferred income tax	87,166	(32,792)
Accrued income tax	30,840	(11,533)
Interest credited to universal life and investment products	448,223	485,550
Policy fees assessed on universal life and investment products	(442,576)	(379,426)
Change in reinsurance receivables	(26,793)	(70,862)
Change in accrued investment income and other receivables	10,675	4,801
Change in policy liabilities and other policyholders' funds of traditional life and health products	63,368	60,603
Trading securities:
Maturities and principal reductions of investments	101,838	151,362
Sale of investments	167,872	332,332
Cost of investments acquired	(245,520)	(470,663)
Other net change in trading securities	13,544	32,547
Change in other liabilities	(91,691)	(115,963)
Other income - gains on repurchase of non-recourse funding obligations	(3,359)	(35,456)
Other, net	(43,064)	20,119
Net cash provided by operating activities	191,367	151,711
Cash flows from investing activities
Maturities and principal reductions of investments, available-for-sale	489,364	629,778
Sale of investments, available-for-sale	1,336,778	1,178,337
Cost of investments acquired, available-for-sale	(2,684,864)	(2,039,344)
Change in investments, held-to-maturity	(35,000)
Mortgage loans:
New lendings	(171,997)	(143,721)
Repayments	345,704	288,402
Change in investment real estate, net	4,148	8,892
Change in policy loans, net	9,611	9,044
Change in other long-term investments, net	(122,295)	(41,388)
Change in short-term investments, net	18,431	(30,497)
Net unsettled security transactions	51,883	59,803
Purchase of property and equipment	(10,865)	(3,667)
Sales of property and equipment	57
Net cash used in investing activities	(769,045)	(84,361)
Cash flows from financing activities
Borrowings under line of credit arrangements and debt	380,000	342,500
Principal payments on line of credit arrangement and debt	(320,000)	(361,650)
Issuance (repayment) of non-recourse funding obligations	18,900	(110,800)
Repurchase program borrowings	190,000	200,000
Dividends to shareowners	(29,763)	(27,618)
Repurchase of common stock		(52,752)
Investment product deposits and change in universal life deposits	1,718,353	1,711,087
Investment product withdrawals	(1,492,901)	(1,809,786)
Other financing activities, net		(5,752)
Net cash provided by (used in) financing activities	464,589	(114,771)
Change in cash	(113,089)	(47,421)
Cash at beginning of period	368,801	267,298
Cash at end of period	$ 255,712	$ 219,877