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Employee Benefit Plans - Deferred Plan Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Oct. 31, 2016
Oct. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Plan assets recorded in other long-term assets $ 163,185 $ 158,462
Plan liabilities recorded in other long-term liabilities $ 163,185 $ 158,462