Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2023

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 earnings per share computations for the periods presented below.

	Three Months Ended March 31,				Six Months Ended March 31,
(in millions, except share amounts)	2023		2022		2023		2022
Numerator:
Net income	$	41.7	$	64.0	$	118.3	$	105.7
Less: Allocation to participating securities	(1.5)		(1.8)		(4.0)		(3.1)
Net income allocated to common stockholders	$	40.2	$	62.2	$	114.3	$	102.6
Denominator:
Weighted average number of:
Common shares outstanding	19,930,027		19,573,871		19,850,052		19,477,540
Dilutive potential common shares outstanding:
Share-based awards	691,167		438,838		703,861		452,507
Diluted weighted-average common shares	20,621,194		20,012,709		20,553,913		19,930,047