Earnings per Common Share (Tables)

3 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Calculated Earnings per Share

Earnings per share are calculated as follows:

	Three Months Ended December 31
	2020		2019
Net Income	$	58.8	$	39.8
Net Income per Basic Common Share	$	0.88	$	0.60
Net Income per Diluted Common Share	$	0.88	$	0.59
Average Basic Common Shares Outstanding (in thousands)	66,497		66,792
Add potential effect of exercise of stock options and other unvested equity awards	428		537
Average Diluted Common Shares Outstanding (in thousands)	66,925		67,329
Shares with anti-dilutive effect excluded from the computation of diluted EPS	639		291