Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Earnings Per Share

The following table summarizes the computation of basic and diluted earnings per common share for the periods presented (in millions, except per share data):

	Three Months Ended March 31,
	2024		2023
Earnings per common share—basic
Net income	$	6.5	$	25.0
Weighted-average common shares outstanding—basic	183.7		185.2
Earnings per common share—basic	$	0.04	$	0.13
Earnings per common share—diluted
Net income	$	6.5	$	25.0
Interest expense attributable to convertible notes	—		1.6
Net income attributable to earnings per common share—diluted	$	6.5	$	26.6
Weighted-average common shares outstanding—basic	183.7		185.2
Convertible Notes weighted-average common shares outstanding	—		14.7
Outstanding options, restricted stock units and performance share units	0.7		1.6
Weighted-average common shares outstanding—diluted	184.4		201.5
Earnings per common share—diluted	$	0.04	$	0.13