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Restructuring - Summarized Cost of Product Retrofit Program (Detail) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2024	Jan. 31, 2024	Jul. 29, 2023
Restructuring Cost and Reserve [Line Items]
Change in Estimates	$ 75,000		$ (75,000)
Product Retrofit Program [Member]
Restructuring Cost and Reserve [Line Items]
Change in Estimates	$ 210,000
Product Retrofit Program [Member] | Cost of Revenue [Member]
Restructuring Cost and Reserve [Line Items]
Provision for Product Retrofit Program				$ 852,000
Cost of Repairs and Replacements incurred		$ (642,000)
Change in Estimates		$ (210,000)

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Provision for product retrofit program.

+ References

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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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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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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