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POST RETIREMENT BENEFIT PLANS - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2021
Oct. 31, 2021
Defined Benefit Plan Disclosure [Line Items]    
Expected future employer contributions   $ 35.5
United States    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, annuity $ 100.0  
Lump sum payments 1.5  
Decrease for settlement 101.5  
Loss on settlement $ 8.5