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Stock-Based Benefit Plans (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based expense recognized $ 9,223 $ 7,446
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 3,555 $ 2,809