v3.22.2.2
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Derivative Instruments on OCI and the Condensed, Consolidated Statements of Operations (Details) - Fair value, inputs, level 2 - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Derivatives not designated as Hedging Instruments    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in Statement of Operations $ 28.4 $ 0.3
Derivatives not designated as Hedging Instruments | Currency forward contracts    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in Statement of Operations $ 17.9 $ (4.2)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Operating Income (Expense), Net Other Operating Income (Expense), Net
Derivatives not designated as Hedging Instruments | Commodity hedging instruments    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in Statement of Operations $ 10.5 $ 4.5
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of sales Cost of sales
Cash Flow Hedging    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in AOCI $ 29.9 $ 19.8
Amount of Gain/(Loss) Reclassified From AOCI Into Statement of Operations 6.8 (5.4)
Cash Flow Hedging | Interest rate swap agreements    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in AOCI 24.1 3.4
Amount of Gain/(Loss) Reclassified From AOCI Into Statement of Operations $ (2.1) $ (7.7)
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] Interest expense Interest expense
Cash Flow Hedging | Commodity hedging instruments    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain/(Loss) Recognized in AOCI $ 5.8 $ 16.4
Amount of Gain/(Loss) Reclassified From AOCI Into Statement of Operations $ 8.9 $ 2.3
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of sales Cost of sales