Annual report pursuant to Section 13 and 15(d)

Investment in Derivative Instruments - Balance Sheet Classification (Details)

v3.22.2.2
Investment in Derivative Instruments - Balance Sheet Classification (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Net unrealized gain (loss) position $ (25,245) $ (967)
Designated cash flow hedge 24,719 (31)
Prepaid expenses and other current assets - commodity swaps | Commodity swap contracts    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative asset, fair value, gross assets 1,032 990
Other assets - commodity swaps | Commodity swap contracts    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative asset, fair value, gross assets 155 822
Other assets - commodity swaps | Interest rate swaps    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative asset, fair value, gross assets 24,719
Accrued expense and other current liabilities | Commodity swap contracts    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liability, fair value, gross liability (601) 0
Accrued expense and other current liabilities | Interest rate swaps    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liability, fair value, gross liability 0 (97)
Other long-term liabilities | Commodity swap contracts    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liability, fair value, gross liability (60) 0
Other long-term liabilities | Interest rate swaps    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liability, fair value, gross liability $ 0 $ (748)