Accrued Liabilities (Tables)

9 Months Ended

Jun. 30, 2024

Accrued Liabilities, Current [Abstract]

Accrued Liabilities

	June 30, 2024		September 30, 2023
Salaries and other member benefits	$	115,758	$	146,713
Product warranties and related liabilities		21,221		18,162
Interest payable		4,155		13,611
Accrued retirement benefits		2,836		2,822
Net current contract liabilities		49,665		33,748
Taxes, other than income		19,511		13,436
Other		35,294		34,124
	$	248,440	$	262,616

Changes in Accrued Product Warranties and Related Liabilities

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

	Three Months Ended June 30,						Nine Months Ended June 30,
	2024			2023			2024			2023
Beginning of period	$	19,800		$	46,492		$	18,162		$	40,042
Additions, net of recoveries		3,808			2,424			13,767			22,847
Reductions for settlement		(2,333	)		(9,433	)		(10,739	)		(23,636	)
Foreign currency exchange rate changes		(54	)		(59	)		31			171
End of period	$	21,221		$	39,424		$	21,221		$	39,424