Financial Instruments (Table)

3 Months Ended

Dec. 31, 2021

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 December 31, 2021 and September 30, 2021. The gross amounts of recognized assets and liabilities are netted within our unaudited condensed consolidated balance sheets to the extent that we have netting arrangements with our counterparties. However, for December 31, 2021 and September 30, 2021, no gross amounts and no cash collateral were netted within our consolidated balance sheet.

		December 31, 2021
	Balance Sheet Location	Assets		Liabilities
		(In thousands)
Designated As Hedges:
Interest rate contracts	Other current assets / Other current liabilities	$	61,867	$	(3,439)
Interest rate contracts	Deferred charges and other assets / Deferred credits and other liabilities	67,553		(16,609)
Total		129,420		(20,048)
Not Designated As Hedges:
Commodity contracts	Other current assets / Other current liabilities	10,342		(1,572)
Commodity contracts	Deferred charges and other assets / Deferred credits and other liabilities	1,790		(14)
Total		12,132		(1,586)
Gross / Net Financial Instruments		$	141,552	$	(21,634)

		September 30, 2021
	Balance Sheet Location	Assets		Liabilities
		(In thousands)
Designated As Hedges:
Interest rate contracts	Deferred charges and other assets / Deferred credits and other liabilities	$	169,469	$	—
Total		169,469		—
Not Designated As Hedges:
Commodity contracts	Other current assets / Other current liabilities	55,073		(5,269)
Commodity contracts	Deferred charges and other assets / Deferred credits and other liabilities	6,144		—
Total		61,217		(5,269)
Gross / Net Financial Instruments		$	230,686	$	(5,269)

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 months ended December 31, 2021 and 2020. The amounts included in the table below exclude gains and losses arising from ineffectiveness because those amounts are immediately recognized in the statement of comprehensive income as incurred.

	Three Months Ended December 31
	2021		2020
	(In thousands)
Increase (decrease) in fair value:
Interest rate agreements	$	(46,622)	$	59,042
Recognition of losses in earnings due to settlements:
Interest rate agreements	744		1,142
Total other comprehensive income (loss) from hedging, net of tax	$	(45,878)	$	60,184

Schedule of Expected Deferred Gains (Losses) Recognition

The following amounts, net of deferred taxes, represent the expected recognition in earnings of the deferred net losses 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 2052. 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	$	(2,976)
Thereafter	(57,994)
Total	$	(60,970)