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Consolidation of Variable Interest Entities - Additional Information (Detail)
 12 Months Ended
May. 31, 2005
USD ($)
May. 23, 2005
USD ($)
a
Mar. 28, 2005
USD ($)
a
Agreement
Oct. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
Oct. 31, 2013
USD ($)
Apr. 30, 2006
a
Jan. 31, 2006
a
Variable Interest Entity [Line Items]                
Number of purchase and sale agreements | Agreement     2          
Acres of timberland | a   35,000 56,000       5,700 15,300
Approximate value of sale agreement with Plum Creek Timberland   $ 51,000,000 $ 90,000,000 $ 2,900,000        
Pretax gain on sale   42,100,000            
Purchase notes payable   50,900,000            
Maximum amount of guarantee on purchase notes   $ 52,300,000            
Extended date       Nov. 05, 2020        
Restricted bank financial instruments under Buyer SPE       $ 50,900,000 $ 50,900,000      
Interest income of Buyer SPE       2,400,000 2,400,000 $ 2,400,000    
Net loss attributable to noncontrolling interests       4,700,000 46,600,000 (2,800,000)    
Maximum [Member]                
Variable Interest Entity [Line Items]                
Committed capital contribution       150,000,000        
Co-venturer [Member]                
Variable Interest Entity [Line Items]                
Variable interest entities outstanding advances           600,000    
Short term loans payable to NSC           12,700,000    
STA Timber [Member]                
Variable Interest Entity [Line Items]                
Debt instrument, principal outstanding       43,300,000 43,300,000      
Interest expense       2,200,000 2,200,000 2,200,000    
STA Timber [Member] | Monetization Notes [Member]                
Variable Interest Entity [Line Items]                
Senior Secured Notes 5.20%              
Maturity date Aug. 05, 2020              
Debt instrument, principal outstanding $ 43,300,000              
Flexible Packaging JV [Member]                
Variable Interest Entity [Line Items]                
Net loss attributable to noncontrolling interests       $ 14,200,000 $ 57,000,000 $ 9,100,000    
Trading Co. [Member]                
Variable Interest Entity [Line Items]                
Ownership percentage in Variable Interest Entity       51.00%        
Asset Co. [Member]                
Variable Interest Entity [Line Items]                
Ownership percentage in Variable Interest Entity       49.00%        
Global Textile [Member]                
Variable Interest Entity [Line Items]                
Ownership percentage in Variable Interest Entity       49.00%        
Third Party [Member] | Maximum [Member]                
Variable Interest Entity [Line Items]                
Committed capital contribution       $ 150,000,000        
Buyer SPE [Member]                
Variable Interest Entity [Line Items]                
Ownership percentage in Variable Interest Entity       0.00%