Earnings per Common Share (Tables)

12 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Calculated Earnings per share

Earnings per share are calculated as follows (in millions, except share information in thousands):

	Year Ended September 30
	2021		2020		2019
Net Income	$	248.5	$	223.0	$	152.2
Net Income per Basic Common Share	$	3.75	$	3.35	$	2.28
Net Income per Diluted Common Share	$	3.72	$	3.32	$	2.25
Average Basic Common Shares Outstanding	66,204		66,631		66,772
Add: Potential effect of exercise of stock options and other unvested equity awards	643		581		888
Average Diluted Common Shares Outstanding	66,847		67,212		67,660
Shares with anti-dilutive effect excluded from the computation of Diluted EPS	272		342		288