Net Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Calculations of Net Earnings (Loss) Per Share - Basic and Diluted

The calculations of net earnings per share - basic and net earnings per share - diluted were as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2024		2023		2024		2023
Net earnings available to common shareholders	$	60.1	$	65.2	$	99.8	$	143.0
Weighted-average common shares outstanding (in millions)
Weighted-average common shares outstanding - basic		47.9		50.2		48.1		50.4
Effect of dilutive securities - share-based awards		0.5		0.5		0.6		0.6
Weighted-average common shares outstanding - diluted		48.4		50.7		48.7		51.0
Net earnings per share - basic	$	1.25	$	1.30	$	2.07	$	2.84
Net earnings per share - diluted	$	1.24	$	1.29	$	2.05	$	2.80