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Inventories - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021	Oct. 31, 2021	Apr. 30, 2022
Inventory [Line Items]
Fixed asset impairment charge			$ 7,200		$ 2,800	$ 10,000
Accrued product warranty cost	$ 247		247		$ 72	$ 247
Costs of Revenues
Inventory [Line Items]
Excess plant capacity and manufacturing variances cost incurred	$ 2,500	$ 1,300	$ 4,700	$ 3,400

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Excess plant capacity and manufacturing variances cost.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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