v3.26.1
Financial Instruments (Tables)
 6 Months Ended
Mar. 31, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
The following tables present the fair value and balance sheet classification of our financial instruments as of March 31, 2026 and September 30, 2025. The gross amounts of recognized assets and liabilities are netted within our condensed consolidated balance sheets to the extent that we have netting arrangements with our counterparties. However, as of March 31, 2026 and September 30, 2025, no gross amounts and no cash collateral were netted within our consolidated balance sheet.
March 31, 2026
Balance Sheet LocationAssetsLiabilities
   (In thousands)
Not Designated As Hedges:
Commodity contractsOther current assets /
Other current liabilities		$3,413 $(805)
Gross / Net Financial Instruments$3,413 $(805)
 
September 30, 2025
Balance Sheet LocationAssetsLiabilities
   (In thousands)
Not Designated As Hedges:
Commodity contractsOther current assets /
Other current liabilities		$5,303 $(6,339)
Commodity contractsDeferred charges and other assets /
Deferred credits and other liabilities		4,594 (146)
Total9,897 (6,485)
Gross / Net Financial Instruments$9,897 $(6,485)
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)
The following table summarizes the gains and losses arising from hedging transactions that were recognized as a component of other comprehensive income (loss), net of taxes, for the three and six months ended March 31, 2026 and 2025.
 Three Months Ended March 31Six Months Ended March 31
 2026202520262025
 (In thousands)
Increase (decrease) in fair value:
Interest rate agreements$— $(1,678)$— $18,041 
Recognition of gains in earnings due to settlements:
Interest rate agreements(4,780)(3,982)(9,586)(7,140)
Total other comprehensive income (loss) from hedging, net of tax$(4,780)$(5,660)$(9,586)$10,901 
Schedule of Expected Deferred Gains (Losses) Recognition The following amounts, net of deferred taxes, represent the expected recognition in earnings of the deferred net gains recorded in AOCI associated with our interest rate agreements, based upon the fair values of these agreements at the date of settlement. The remaining amortization periods for these settled amounts extend through fiscal 2056. However, the table below does not include the expected recognition in earnings of our outstanding interest rate swaps as those instruments have not yet settled.
Interest Rate
Agreements
 (In thousands)
Next twelve months$19,118 
Thereafter446,102 
Total$465,220