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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
--- | ---
Oct. 31, 2021 | Oct. 31, 2020
Defined Benefit Plan, Changes in Accumulated Other Comprehensive (Income) Loss [Roll Forward] |  |
Accumulated other comprehensive loss at beginning of year | $ 150.6 | $ 172.6
Increase or (decrease) in accumulated other comprehensive loss |  |
Net prior service benefit amortized | 0.3 | 0.1
Net loss amortized | (12.6) | (13.2)
Loss recognized due to settlement | (9.1) | (0.3)
Liability loss | 0.3 | 17.4
Asset gain | (45.3) | (27.4)
Other adjustments | (0.9) | 0.0
Decrease in accumulated other comprehensive loss | (67.3) | (23.4)
Foreign currency impact | 1.9 | 1.4
Accumulated other comprehensive loss at year end | $ 85.2 | $ 150.6

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