Earnings Per Share

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Share

17.          Earnings Per Share

	2023		2022		2021
Earnings per common share
Net income available to common shareholders	$	2,132.5	$	52.6	$	68.3
Weighted average common shares outstanding	114,313,971		194,290,180		195,491,804
Earnings per common share	$	18.65	$	0.27	$	0.35
Earnings per diluted common share
Net income available to common shareholders	$	2,132.5	$	52.6	$	68.3
Weighted average common shares outstanding	114,313,971		194,290,180		195,491,804
Share-based compensation plans	10,712		5,033,674		4,888,437
Weighted average diluted common shares outstanding	114,324,683		199,323,854		200,380,241
Earnings per diluted common share	$	18.65	$	0.26	$	0.34