Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2024

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)	2024		2023		2024		2023
Numerator:
Net income	$	53.1	$	41.7	$	122.2	$	118.3
Less: Allocation to participating securities	(1.9)		(1.5)		(4.3)		(4.0)
Net income allocated to common stockholders	$	51.2	$	40.2	$	117.9	$	114.3
Denominator:
Weighted average number of:
Common shares outstanding	30,473,856		29,895,041		30,352,824		29,775,078
Dilutive potential common shares outstanding:
Share-based awards	1,025,087		1,036,751		1,020,915		1,055,792
Diluted weighted-average common shares	31,498,943		30,931,792		31,373,739		30,830,870