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Acquisitions and Assets Held for Sale - Carrying Amounts of the Assets and Liabilities Held for Sale (Details) - USD ($) $ in Millions | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
--- | --- | --- | ---
ASSETS |  |  |
Cash | $ 0.3 | $ 0.0 | $ 0.0
Disposal Group, Held-for-sale, Not Discontinued Operations | Equity Interest In Wholly-Owned Subsidiary |  |  |
ASSETS |  |  |
Cash | 0.3 |  |
Goodwill | 23.2 |  |
Other intangibles, net | 83.6 |  |
Deferred tax assets | (19.9) |  |
Other assets | 2.0 |  |
Total assets held-for-sale | 89.2 |  |
LIABILITIES |  |  |
Total liabilities held-for-sale | $ 1.7 |  |

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