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POST-RETIREMENT BENEFIT PLANS - Amounts Recognized in Consolidated Financial Statements - Changes in Accumulated Other Comprehensive (Income) or Loss (Details) - USD ($) $ in Millions | 12 Months Ended
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Oct. 31, 2023 | Oct. 31, 2022
Defined Benefit Plan, Changes in Accumulated Other Comprehensive (Income) Loss [Roll Forward] |  |
Accumulated other comprehensive loss at beginning of year | $ 92.0 | $ 85.2
Increase or (decrease) in accumulated other comprehensive loss |  |
Net prior service benefit amortized | 0.4 | 0.4
Net gain (loss) amortized | 2.1 | (7.7)
Loss recognized due to settlement | (3.5) | 0.0
Loss recognized due to divestiture | 0.0 | (1.0)
Liability gain | (24.3) | (265.9)
Asset loss | 39.9 | 290.8
Other adjustments | 0.0 | (0.5)
Increase in accumulated other comprehensive loss | 14.6 | 16.1
Foreign currency impact | 2.6 | (9.3)
Accumulated other comprehensive loss at year end | $ 109.2 | $ 92.0

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