Consolidated Quarterly Results - Unaudited (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

In management's opinion, normal recurring adjustments necessary for a fair statement of quarterly results have been reflected in the information which follows.

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Year Ended December 31, 2020:
Operating Summary:
Net premiums, fees, and other income (a)	$	1,594.0	$	1,571.5	$	1,764.6	$	1,938.8
Net investment income and investment gains (losses)	(830.0)		455.4		187.1		484.3
Total revenues (a)	764.0		2,027.0		1,951.7		2,423.2
Benefits, claims, and expenses (a)	1,534.0		1,527.8		1,644.7		1,770.9
Net income (loss)	$	(604.8)	$	397.7	$	246.0	$	519.7
Net income (loss) per share: Basic	$	(2.01)	$	1.34	$	.83	$	1.74
Diluted	$	(2.01)	$	1.34	$	.83	$	1.74
Average shares outstanding:
Basic	300,280,398		297,523,559		297,729,418		297,960,133
Diluted	300,280,398		297,776,315		297,990,822		298,474,209

Year Ended December 31, 2019:
Operating Summary:
Net premiums, fees, and other income (a)	$	1,434.2	$	1,550.0	$	1,667.6	$	1,721.6
Net investment income and investment gains (losses)	480.1		150.0		176.3		280.2
Total revenues (a)	1,914.4		1,700.0		1,844.0		2,001.9
Benefits, claims, and expenses (a)	1,395.9		1,494.6		1,591.6		1,655.9
Net income (loss)	$	412.2	$	165.5	$	202.8	$	275.8
Net income (loss) per share: Basic	$	1.38	$	.55	$	.68	$	.92
Diluted	$	1.37	$	.55	$	.67	$	.91
Average shares outstanding:
Basic	299,020,956		299,418,182		299,894,995		300,138,720
Diluted	300,172,853		300,752,992		301,384,364		301,557,866