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POST RETIREMENT BENEFIT PLANS - Additional Information (Details) - Pension Plans, Defined Benefit - USD ($)
$ in Millions
3 Months Ended
Nov. 30, 2020
Jan. 31, 2021
Oct. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Expected future employer contributions     $ 28.7
United States      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined benefit plan, annuity   $ 100.0  
Lump sum payments   1.5  
Decrease for settlement   101.5  
Loss on settlement   $ 8.5  
Funded status of the plan $ 20.8    
Increase in plan assets 46.7    
Increase in benefit obligation $ 25.9    
Defined benefit plan discount rate 2.76%   3.01%