v3.22.2.2
SEGMENT INFORMATION - Net sales and long-lived assets by geographic area (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales $ 3,924.1 $ 4,925.0 $ 4,131.6
Long-lived assets 862.3 1,007.9  
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales 3,554.6 4,507.0 3,773.4
Long-lived assets 753.3 868.8  
International      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales 369.5 418.0 $ 358.2
Long-lived assets $ 109.0 $ 139.1