Earnings per Share (Tables)

6 Months Ended

Mar. 31, 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 earnings per share computations for the periods presented below.

	Three Months Ended March 31,				Six Months Ended March 31,
(in millions, except share amounts)	2022		2021		2022		2021
Numerator:
Net income	$	64.0	$	55.3	$	105.7	$	74.8
Less: Allocation to participating securities	(1.8)		(1.7)		(3.1)		(2.2)
Net income allocated to common stockholders	$	62.2	$	53.6	$	102.6	$	72.6
Denominator:
Weighted average number of:
Common shares outstanding	19,573,871		19,112,216		19,477,540		19,025,604
Dilutive potential common shares outstanding:
Share-based awards	438,838		558,323		452,507		544,424
Diluted weighted-average common shares	20,012,709		19,670,539		19,930,047		19,570,028