Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 15.4	$ 16.5
Weighted average number of common shares	50,997,187	50,820,797
Dilutive effect of stock-based compensation	184,017	265,122
Adjusted weighted average number of common shares	51,181,204	51,085,919
Basic net income per common share	$ 0.30	$ 0.32
Diluted net income per common share	$ 0.30	$ 0.32
Retained Earnings
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 15.4	$ 16.5