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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - 2011 Management Incentive Plan [Member] - $ / shares
1 Months Ended 12 Months Ended
Jan. 04, 2017
Jan. 08, 2016
Jan. 31, 2015
Oct. 31, 2017
Oct. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, Weighted-Average Grant Price   $ 48.68      
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding, Number of Shares, Beginning Balance       84,000  
Vested, Number of Shares       (71,000)  
Forfeited, Number of Shares       (13,000)  
Granted, Number of Shares 21,000        
Outstanding, Number of Shares, Ending Balance       103,000  
Outstanding, Weighted-Average Grant Price         $ 44.76
Vested, Weighted-Average Grant Price       $ 52.29  
Forfeited, Weighted-Average Grant Price       $ 53.66  
Granted, Weighted-Average Grant Price     $ 40.39