Earnings per Share (Tables)

12 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following is a reconciliation of the numerator and denominator of the diluted net income per share computations for the periods presented below.

	Year Ended September 30,
(in millions, except share amounts)	2021		2020		2019
Numerator:
Net income	$	116.3	$	169.6	$	85.1
Less: Allocation to participating securities	(3.5)		(4.0)		(1.5)
Net income allocated to common stockholders	$	112.8	$	165.6	$	83.6
Denominator:
Weighted average number of:
Common shares outstanding	19,130,643		18,824,328		18,738,905
Dilutive potential common shares outstanding:
Share-based awards	547,525		356,151		275,490
Diluted shares outstanding	19,678,168		19,180,479		19,014,395