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Accrued Liabilities (Changes in Accrued Product Warranties and Related Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023		Sep. 30, 2022		Sep. 30, 2021
Accrued Liabilities, Current [Abstract]
Beginning of period	$ 40,042	[1]	$ 17,481		$ 18,972
Additions, net of recoveries	25,984		29,827		1,164
Reductions for settlement	(47,949)		(6,937)		(2,718)
Foreign currency exchange rate changes	85		(329)		63
End of period	$ 18,162	[1]	$ 40,042	[1]	$ 17,481
[1] In fiscal year 2022, product warranties and related liabilities include estimates related to product liabilities expected to be fully recoverable from insurance.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
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-Name Accounting Standards Codification
-Section 50
-Paragraph 8
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Amount of foreign currency translation gain (loss) which decreases (increases) the standard and extended product warranty accrual.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Product warranties additions (reductions), net of recoveries.

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