Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	[1]	Mar. 31, 2015	[2]
Revenue:
Life premium	$ 544,151		$ 513,342
Health premium	235,697		228,673
Other premium	12		41
Total premium	779,860		742,056
Net investment income	197,053		191,596
Realized investment gains	293		119
Other income	421		669
Total revenue	977,627		934,440
Benefits and expenses:
Life policyholder benefits	362,860		339,701
Health policyholder benefits	152,775		148,029
Other policyholder benefits	9,338		10,045
Total policyholder benefits	524,973		497,775
Amortization of deferred acquisition costs	118,806		110,660
Commissions, premium taxes, and non-deferred acquisition costs	61,602		57,105
Other operating expense	57,429		55,363
Interest expense	19,369		19,060
Total benefits and expenses	782,179		739,963
Income before income taxes	195,448		194,477
Income taxes	(61,874)		(63,699)
Income from continuing operations	133,574		130,778
Discontinued operations:
Income (loss) from discontinued operations, net of tax	(9,541)		(9,130)
Net income	$ 124,033		$ 121,648
Basic net income per share:
Continuing operations (in dollars per share)	$ 1.10		$ 1.03
Discontinued operations (in dollars per share)	(0.08)		(0.07)
Basic net income per share (in dollars per share)	1.02		0.96
Diluted net income per share:
Continuing operations (in dollars per share)	1.08		1.02
Discontinued operations (in dollars per share)	(0.07)		(0.07)
Diluted net income per share (in dollars per share)	1.01		0.95
Dividends declared per common share	$ 0.14		$ 0.14

[1] Due to the adoption of ASU 2016-09, certain balances related to excess tax benefits from stock compensation were adjusted prospectively as described in Note 2—New Accounting Standards.

[2] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 5—Discontinued Operations.