v3.24.2.u1
Derivative Financial Instruments and Hedging (Gain) Loss recognized in Statement of Operations from derivative instruments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Commodity and energy contracts        
Derivative Instruments, (Gain) Loss        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of goods sold Cost of goods sold Cost of goods sold Cost of goods sold
Foreign Exchange Contract - Forward Contracts        
Derivative Instruments, (Gain) Loss        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, general and administrative expenses Selling, general and administrative expenses Selling, general and administrative expenses Selling, general and administrative expenses
PHPC Warrants        
Derivative Instruments, (Gain) Loss        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense)
Derivatives Not Designated as Hedging Instruments | Commodity and energy contracts        
Derivative Instruments, (Gain) Loss        
(Gain) Loss Recognized in Statement of Operations $ 5.6 $ 15.8 $ 30.5 $ 30.1
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contract - Forward Contracts        
Derivative Instruments, (Gain) Loss        
(Gain) Loss Recognized in Statement of Operations 0.0 0.1 0.0 0.1
Derivatives Not Designated as Hedging Instruments | Interest Rate Swap        
Derivative Instruments, (Gain) Loss        
(Gain) Loss Recognized in Statement of Operations (3.1) (17.1) 4.7 (20.4)
Derivatives Not Designated as Hedging Instruments | PHPC Warrants        
Derivative Instruments, (Gain) Loss        
(Gain) Loss Recognized in Statement of Operations $ 0.0 $ (1.5) $ 0.0 $ (1.0)