Accrued Liabilities (Tables)

6 Months Ended

Mar. 31, 2021

Accrued Liabilities [Line Items]

Accrued Liabilities

	March 31,		September 30,
	2021		2020
Salaries and other member benefits	$	43,803	$	50,850
Warranties		18,576		18,972
Interest payable		14,547		15,281
Accrued retirement benefits		3,013		3,051
Restructuring charges		403		3,395
Taxes, other than income		25,027		13,925
Net current contract liabilities		28,760		24,620
Other		30,221		21,700
	$	164,350	$	151,794

Changes in Accrued Product Warranties

Changes in accrued product warranties were as follows:

	Three-Months Ended March 31,						Six-Months Ended March 31,
	2021			2020			2021			2020
Warranties, beginning of period	$	21,079		$	18,927		$	18,972		$	27,309
Expense, net of recoveries		(377	)		8,115			1,012			3,782
Reductions for settlement of previous warranty liabilities		(1,843	)		(5,177	)		(1,451	)		(9,454	)
Foreign currency exchange rate changes		(283	)		(95	)		43			133
Warranties, end of period	$	18,576		$	21,770		$	18,576		$	21,770

Employee Severance [Member]

Accrued Liabilities [Line Items]

Loss Reserve & Restructuring Reserve Activity

The summary of activity in accrued restructuring charges during the six-months ended March 31, 2021 and 2020 are as follows:

			Period Activity
	Balances as of September 30, 2020		Charges		Payments			Foreign currency exchange rate changes		Non-cash activity			Balances as of March 31, 2021
Workforce management costs associated with:
COVID-19 pandemic	$	3,395	$	—	$	(2,287	)	$	21	$	(726	)	$	403
Total	$	3,395	$	—	$	(2,287	)	$	21	$	(726	)	$	403

			Period Activity
	Balances as of September 30, 2019		Charges		Payments			Foreign currency exchange rate changes		Non-cash activity			Balances as of March 31, 2020
Workforce management costs associated with:
Duarte plant relocation	$	440	$	—	$	(440	)	$	—	$	—		$	—
Industrial turbomachinery business realignment		67		—		(24	)		—		(43	)		—
Total	$	507	$	—	$	(464	)	$	—	$	(43	)	$	—