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Inventories - Additional Information (Detail) - USD ($) | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
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Inventory [Line Items] |  |  |
Slow moving and obsolete inventory reserve | $ 13,331,000 | $ 9,813,000 | $ 8,192,000

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- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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Period Type: | instant

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- Definition 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. + References No definition available. + Details
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Period Type: | duration