v3.22.2.2
GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Sep. 30, 2021
Indefinite-lived Intangible Assets [Line Items]    
Total indefinite-lived intangible assets $ 323.9 $ 323.9
Total intangible assets, net 580.2 709.6
Intangible Assets [Line Items]    
Total finite-lived intangible assets, net 256.3 385.7
Trade names    
Indefinite-lived Intangible Assets [Line Items]    
Total indefinite-lived intangible assets 168.2 168.2
Roundup® marketing agreement amendment    
Indefinite-lived Intangible Assets [Line Items]    
Total indefinite-lived intangible assets 155.7 155.7
Trade names    
Intangible Assets [Line Items]    
Gross Carrying Amount 318.4 293.4
Accumulated Amortization/ Impairment Charges (174.3) (73.3)
Total finite-lived intangible assets, net 144.1 220.1
Customer relationships    
Intangible Assets [Line Items]    
Gross Carrying Amount 251.1 228.3
Accumulated Amortization/ Impairment Charges (158.4) (91.7)
Total finite-lived intangible assets, net 92.7 136.6
Technology    
Intangible Assets [Line Items]    
Gross Carrying Amount 49.1 49.2
Accumulated Amortization/ Impairment Charges (43.3) (41.3)
Total finite-lived intangible assets, net 5.8 7.9
Other    
Intangible Assets [Line Items]    
Gross Carrying Amount 34.7 35.3
Accumulated Amortization/ Impairment Charges (21.0) (14.2)
Total finite-lived intangible assets, net $ 13.7 $ 21.1