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Divestiture Activities - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2022 | Oct. 31, 2021 | Apr. 30, 2022 | Apr. 30, 2021 | Apr. 30, 2018
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Gain (loss) on sale of business | $ 0.1 |  | $ 0.1 | $ 3.8 |
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%

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