v3.22.2.2
EQUITY - Share-Based Compensation Awards Granted (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based awards (in shares) 354,329 265,565 213,499
Aggregate fair value at grant dates $ 41.2 $ 30.2 $ 21.5
Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation awards granted, other than options (in shares) 248,573    
Performance units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation awards granted, other than options (in shares) 105,756    
Employees | Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 0 183,553 37,255
Employees | Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation awards granted, other than options (in shares) 228,558 70,936 119,726
Employees | Performance units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation awards granted, other than options (in shares) 105,756 1,903 37,570
Non-Employee Directors | Restricted and deferred stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation awards granted, other than options (in shares) 20,015 9,173 18,948