Earnings Per Share (Notes)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Earnings per share

Earnings per Share

The following is a reconciliation of the number of shares and share equivalents used to calculate basic and diluted earnings per share (in millions, except per share data).

	Three Months Ended
	March 31,
	2024		2023
Net income	$	38.1	$	49.5
Weighted-average number of common shares outstanding - basic	46.5		49.3
Dilutive effect of common share equivalents	0.4		0.5
Weighted-average number of common shares and share equivalents outstanding - diluted	46.9		49.8
Basic earnings per share	$	0.82	$	1.00
Diluted earnings per share	$	0.81	$	0.99