Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011		Sep. 30, 2012	Sep. 30, 2011
Revenue:
Life premium	$ 453,699	$ 429,927	[1]	$ 1,356,527	$ 1,294,157	[1]
Health premium	246,000	220,458	[1]	766,950	708,181	[1]
Other premium	161	140	[1]	440	438	[1]
Total premium	699,860	650,525	[1]	2,123,917	2,002,776	[1],[2]
Net investment income	169,400	173,491	[1]	518,697	518,242	[1],[2]
Realized investment gains (losses)	7,283	12,600	[1]	16,950	21,149	[1],[2]
Other income	557	625	[1]	1,254	1,680	[1],[2]
Total revenue	877,100	837,241	[1]	2,660,818	2,543,847	[1]
Benefits and expenses:
Life policyholder benefits	295,845	280,172	[1]	879,317	836,358	[1]
Health policyholder benefits	172,130	147,910	[1]	564,259	489,603	[1]
Other policyholder benefits	11,144	10,692	[1]	32,997	31,634	[1]
Total policyholder benefits	479,119	438,774	[1]	1,476,573	1,357,595	[1],[2]
Amortization of deferred acquisition costs	94,016	89,899	[1]	287,115	274,026	[1],[2],[3]
Commissions, premium taxes, and non-deferred acquisition costs	46,898	53,667	[1]	148,254	165,184	[1],[2]
Other operating expense	48,433	45,268	[1]	144,307	141,969	[1]
Interest expense	19,843	19,510	[1]	59,163	58,381	[1],[2]
Total benefits and expenses	688,309	647,118	[1]	2,115,412	1,997,155	[1],[2]
Income from continuing operations before income taxes	188,791	190,123	[1]	545,406	546,692	[1],[2]
Income taxes	(58,119)	(58,867)	[1]	(167,069)	(171,915)	[1]
Income from continuing operations	130,672	131,256	[1]	378,337	374,777	[1]
Loss on disposal of discontinued operations, net of tax	0	144	[1]	0	(455)	[1],[2]
Net income	$ 130,672	$ 131,400	[1]	$ 378,337	$ 374,322	[1],[2]
Basic net income per share:
Continuing operations	$ 1.37	$ 1.25	[1]	$ 3.89	$ 3.39	[1]
Discontinued operations	$ 0.00	$ 0.00	[1]	$ 0.00	$ (0.01)	[1]
Total basic net income per share	$ 1.37	$ 1.25	[1]	$ 3.89	$ 3.38	[1]
Diluted net income per share:
Continuing operations	$ 1.36	$ 1.25	[1]	$ 3.84	$ 3.34	[1]
Discontinued operations	$ 0.00	$ 0.00	[1]	$ 0.00	$ (0.01)	[1]
Total diluted net income per share	$ 1.36	$ 1.25	[1]	$ 3.84	$ 3.33	[1]
Dividends declared per common share	$ 0.15	$ 0.12	[1]	$ 0.45	$ 0.34	[1]

[1] The 2011 balances have been retrospectively adjusted to give effect to the adoption of new accounting guidance as described in Note F-Adoption of New Accounting Standard.

[2] The 2011 balances have been retroactively adjusted to give effect to the adoption of new accounting guidance as described in Note F-Adoption of New Accounting Standard.

[3] The 2011 balances have been retroactively adjusted to give effect to the adoption of the new accounting guidance.