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Financial Instruments and Commodity Contracts - Narrative (Details) - USD ($)
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Derivative [Line Items]      
Derivative, Amount of Hedged Item $ 0 $ 0 $ 0
Derivative, Collateral, Obligation to Return Cash 1,000,000 1,000,000  
Exposure to Credit Risk 3,000,000 1,000,000  
Commodity Contract [Member]      
Derivative [Line Items]      
Derivative, Notional Amount 8,000,000 6,000,000  
Commodity Contract, Diesel Fuel [Member]      
Derivative [Line Items]      
Derivative, Notional Amount 4,000,000 24,000,000  
ERROR in label resolution.      
Derivative [Line Items]      
Derivative, Notional Amount 0 0  
Mexican Financial Services [Member] | Asset-backed Securities [Member]      
Derivative [Line Items]      
Derivative, Notional Amount $ 156,000,000 $ 108,000,000