Earnings per Share (Tables)

12 Months Ended

Sep. 30, 2022

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)	2022		2021		2020
Numerator:
Net income	$	207.1	$	116.3	$	169.6
Less: Allocation to participating securities	(6.1)		(3.5)		(4.0)
Net income allocated to common stockholders	$	201.0	$	112.8	$	165.6
Denominator:
Weighted average number of:
Common shares outstanding	19,570,403		19,130,643		18,824,328
Dilutive potential common shares outstanding:
Share-based awards	497,137		547,525		356,151
Diluted shares outstanding	20,067,540		19,678,168		19,180,479