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Divestiture Activities - Additional Information (Detail) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended | 24 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2023 | Oct. 31, 2021 | Jul. 31, 2023 | Apr. 30, 2018
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from sale of business | $ 0.6 |  |  |
China JV [Member] |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Gain (loss) on sale of business |  | $ 6.2 |  |
Equity interest in joint ventures |  |  |  | 10.00%
Proceeds from sale of business | 0.6 |  | $ 2.4 |
China JV [Member] | Non-Operating Loss |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Gain (loss) on sale of business | $ 0.7 |  |  |

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