v3.26.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net income $ 32.1 $ 31.6 $ 47.5 $ 48.1
Weighted average number of common shares 51,001,796 50,795,094 50,999,492 50,807,945
Dilutive effect of stock-based compensation 208,083 251,630 196,050 258,376
Adjusted weighted average number of common shares 51,209,879 51,046,724 51,195,542 51,066,321
Basic net income per common share $ 0.63 $ 0.62 $ 0.93 $ 0.95
Diluted net income per common share $ 0.63 $ 0.62 $ 0.93 $ 0.94