Selected Quarterly Data (Unaudited)

12 Months Ended

Dec. 31, 2020

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, 2020. 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,
2020:
Premium income	$	929,835	$	953,702	$	961,817	$	968,551
Net investment income	228,991		231,568		231,432		235,071
Realized gains (losses)	(26,097)		(4,790)		1,501		25,015
Total revenue	1,133,054		1,180,884		1,195,042		1,228,941
Policyholder benefits	607,969		650,816		650,976		663,123
Amortization of deferred acquisition costs	143,837		146,160		140,843		144,930
Pretax income from continuing operations	202,921		212,241		231,538		249,984
Income from continuing operations	165,540		173,048		188,945		204,240
Income (loss) from discontinued operations	—		—		—		—
Net income	165,540		173,048		188,945		204,240
Basic net income per common share:
Continuing operations	1.54		1.63		1.78		1.96
Discontinued operations	—		—		—		—
Total basic net income per common share	1.54		1.63		1.78		1.96
Diluted net income per common share:
Continuing operations	1.52		1.62		1.76		1.93
Discontinued operations	—		—		—		—
Total diluted net income per common share	1.52		1.62		1.76		1.93

	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