Net Income per Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Reconciliation of Basic to Diluted Net Income per Share

The following is a reconciliation of basic to diluted net income per share:

	Quarter Ended
	March 31, 2022		March 31, 2021
Net income	$	44.8	$	39.2
Shares used in net income per common share - basic		65.0		64.7
Effect of dilutive shares		0.3		0.6
Shares used in net income per common share - diluted		65.3		65.3
Earnings per share:
Basic	$	0.69	$	0.61
Diluted	$	0.69	$	0.60