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Stock-Based Benefit Plans (Details Textual)
$ in Thousands
12 Months Ended
Oct. 31, 2019
USD ($)
shares
Oct. 31, 2018
USD ($)
shares
Oct. 31, 2017
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized value of stock compensation $ 18,700 $ 20,900 $ 24,200
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | shares 7,700,000 5,100,000 5,800,000
Inactive Plans [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of stock incentive plans 4    
Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized value of stock compensation $ 4,700    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 4 years 9 months 18 days    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year 2 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 4 years    
Inactive Plans [Member] | Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years    
Inactive Plans [Member] | Stock Option Non Employee Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years    
Active plans [Member] | Share-based Payment Arrangement, Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years    
Active plans [Member] | Stock Option Non Employee Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years    
Vesting Based On Service [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unamortized value of stock compensation $ 8,694 $ 8,818 $ 6,783
Vesting based on total shareholder return [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Maximum [Member] | Vesting Based On Service [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years    
Minimum [Member] | Vesting Based On Service [Member] | Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years