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CONSOLIDATION OF VARIABLE INTEREST ENTITIES - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Oct. 31, 2018
Oct. 31, 2017
Variable Interest Entity [Line Items]        
Cash and cash equivalents $ 84.5 $ 94.3 $ 94.2 $ 142.3
Properties, plants and equipment, net 1,183.1   1,191.9  
Restricted bank financial instruments under Buyer SPE 50.9   50.9  
Interest income of Buyer SPE 0.6      
Net income (loss) attributable to noncontrolling interests (6.1) (3.6)    
Variable Interest Entity, Primary Beneficiary        
Variable Interest Entity [Line Items]        
Cash and cash equivalents 30.7   22.2  
Properties, plants and equipment, net 29.1   28.8  
Net income (loss) attributable to noncontrolling interests $ 3.3 1.1    
Buyer Spe        
Variable Interest Entity [Line Items]        
Ownership interest 0.00%      
STA Timber        
Variable Interest Entity [Line Items]        
Debt instrument, principal outstanding $ 43.3   43.3  
Interest expense 0.6 $ 0.6    
Buckeye Corrugated, Inc | Variable Interest Entity, Primary Beneficiary        
Variable Interest Entity [Line Items]        
Cash and cash equivalents 2.1   2.8  
Properties, plants and equipment, net $ 7.9   $ 7.2