Derivative Instruments (Tables)

3 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Notional Amounts of Outstanding Derivatives

The notional values of the Company’s outstanding interest rate swap contracts were as follows:

	December 31, 2022		September 30, 2022
	(dollars in thousands)
Interest rate swap contracts	$	1,220,000	$	1,220,000

Summary of Derivative Instruments, Gain (Loss)

For derivatives designated as cash flow hedges, the (loss) gain recognized in Other comprehensive (loss) income was:

	Three Months Ended December 31,
	2022		2021
	(dollars in thousands)
Interest rate swap contracts	$	(1,345)	$	2,880

The Company recorded a corresponding loss (gain) on the change in fair market value as follows:

	Three Months Ended December 31,
	2022		2021
	(dollars in thousands)
Commodity index contracts	$	—	$	221

Summary of Cash Flow Hedges Included in Accumulated Other Comprehensive (Loss) Income

For derivatives designated as cash flow hedges, the gain reclassified from Accumulated other comprehensive (loss) income into the condensed consolidated statements of operations was:

	Three Months Ended December 31,
	2022		2021
	(dollars in thousands)
Interest rate swap contracts	$	(1,487)	$	2,673

Summary of Foreign Exchange Contracts, Statement of Financial Position

For derivatives de-designated as cash flow hedges and economic hedges on foreign currency denominated receivables, the (gain) loss recognized directly into Foreign currency (gain) loss in the condensed consolidated statements of operations was:

	Three Months Ended December 31,
	2022		2021
	(dollars in thousands)
Foreign currency forward contracts	$	—	$	(320)

The notional values of the Company’s outstanding commodity index contracts were as follows:

	December 31, 2022	September 30, 2022
	(volumes in pounds)
Steel index contracts	—	600,000