Consolidated Quarterly Results - Unaudited (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023:
Operating Summary:
Net premiums, fees, and other income		$	1,594.6	$	1,689.3	$	1,801.1	$	1,785.6
Net investment income and investment gains (losses)		164.0		108.9		(40.9)		155.4
Total revenues		1,758.7		1,798.3		1,760.1		1,941.1
Total expenses		1,509.5		1,601.4		1,696.2		1,703.6
Net income		$	199.8	$	155.5	$	52.6	$	190.6
Net income per share:	Basic	$	0.68	$	0.55	$	0.19	$	0.70
	Diluted	$	0.68	$	0.54	$	0.19	$	0.69
Average shares outstanding:
Basic		291,945,750		285,426,801		277,010,690		274,036,118
Diluted		293,993,474		287,882,787		279,924,410		277,226,628

		1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Year Ended December 31, 2022:
Operating Summary:
Net premiums, fees, and other income		$	1,955.2	$	2,020.0	$	1,983.1	$	1,866.9
Net investment income and investment gains (losses)		251.3		(209.6)		(262.0)		478.6
Total revenues		2,206.6		1,810.3		1,721.0		2,345.5
Total expenses		1,823.9		1,865.0		1,840.7		1,696.5
Net income (loss)		$	306.3	$	(40.1)	$	(91.7)	$	512.1
Net income (loss) per share:	Basic	$	1.01	$	(0.13)	$	(0.31)	$	1.74
	Diluted	$	1.00	$	(0.13)	$	(0.31)	$	1.73
Average shares outstanding:
Basic		303,582,578		303,793,432		303,652,802		294,290,072
Diluted		305,424,592		303,793,432		303,652,802		295,996,057