Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method

	Three months ended				Six months ended
	June 30, 2024		June 30, 2023		June 30, 2024		June 30, 2023
Earnings per common share
Net income	$	53.7	$	83.9	$	134.9	$	1,816.5
Weighted average common shares outstanding	117,089,293		110,771,897		117,373,655		110,771,897
Earnings per common share	$	0.46	$	0.76	$	1.15	$	16.40
Earnings per diluted common share
Net income	$	53.7	$	83.9	$	134.9	$	1,816.5
Weighted average common shares outstanding	117,089,293		110,771,897		117,373,655		110,771,897
Share-based compensation plans	535,729		53,801		487,327		35,867
Weighted average diluted common shares outstanding	117,625,022		110,825,698		117,860,982		110,807,764
Earnings per diluted common share	$	0.46	$	0.76	$	1.14	$	16.39