Accrued Liabilities (Tables)

3 Months Ended

Dec. 31, 2023

Accrued Liabilities, Current [Abstract]

Accrued Liabilities

	December 31, 2023		September 30, 2023
Salaries and other member benefits	$	89,797	$	146,713
Product warranties and related liabilities		21,802		18,162
Interest payable		4,105		13,611
Accrued retirement benefits		2,869		2,822
Net current contract liabilities		37,122		33,748
Taxes, other than income		22,842		13,436
Other		33,120		34,124
	$	211,657	$	262,616

Changes in Accrued Product Warranties and Related Liabilities

Changes in accrued product warranties and related liabilities were as follows:

	Three Months Ended December 31,
	2023			2022
Beginning of period	$	18,162		$	40,042
Additions, net of recoveries		5,306			17,010
Reductions for settlement		(1,827	)		(7,702	)
Foreign currency exchange rate changes		161			176
End of period	$	21,802		$	49,526