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Employee Benefit Plans - Reconciliation of Unfunded Status of Plans Included in Accrued Expenses (Detail) - USD ($)
$ in Thousands
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Compensation and Retirement Disclosure [Abstract]      
Projected benefit obligation $ 215 $ 196 $ 218
Unrecognized net (gain) loss 0 0  
Recorded pension liabilities $ 215 $ 196