Selected Quarterly Data (Unaudited)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Data (Unaudited)

Note 15—Selected Quarterly Data (Unaudited)

The following is an unaudited summary of quarterly results for the two years ended December 31, 2019. The information includes all adjustments (consisting of normal accruals) which management considers necessary for a fair presentation of the results of operations for these periods.

	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
2019:
Premium income	$	890,973	$	897,484	$	899,993	$	906,684
Net investment income	226,673		227,425		228,905		227,456
Realized gains (losses)	1,329		5,154		11,943		2,195
Total revenue	1,119,216		1,130,461		1,141,279		1,136,576
Policyholder benefits	587,757		589,362		585,692		594,538
Amortization of deferred acquisition costs	135,822		138,165		138,449		139,290
Pretax income from continuing operations	228,101		228,760		247,330		227,088
Income from continuing operations	185,394		186,609		201,818		187,061
Income (loss) from discontinued operations	(49)		(43)		—		—
Net income	185,345		186,566		201,818		187,061
Basic net income per common share:
Continuing operations	1.68		1.70		1.85		1.73
Discontinued operations	—		—		—		—
Total basic net income per common share	1.68		1.70		1.85		1.73
Diluted net income per common share:
Continuing operations	1.65		1.67		1.82		1.69
Discontinued operations	—		—		—		—
Total diluted net income per common share	1.65		1.67		1.82		1.69

	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
2018:
Premium income	$	850,106	$	853,979	$	860,750	$	857,071
Net investment income	218,084		218,568		221,627		224,233
Realized gains (losses)	1,951		11,813		1,032		(16,600)
Total revenue	1,070,436		1,084,776		1,083,802		1,064,737
Policyholder benefits	569,889		568,377		567,856		569,120
Amortization of deferred acquisition costs	129,620		129,077		129,492		128,501
Pretax income from continuing operations	212,842		226,864		220,330		203,635
Income from continuing operations	173,711		184,393		178,700		164,706
Income (loss) from discontinued operations	(111)		32		24		11
Net income	173,600		184,425		178,724		164,717
Basic net income per common share:
Continuing operations	1.52		1.63		1.59		1.48
Discontinued operations	—		—		—		—
Total basic net income per common share	1.52		1.63		1.59		1.48
Diluted net income per common share:
Continuing operations	1.49		1.59		1.55		1.45
Discontinued operations	—		—		—		—
Total diluted net income per common share	1.49		1.59		1.55		1.45