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Revolving Credit Facilities (Details) - Revolving Credit Facility - USD ($)
$ in Millions
9 Months Ended
Jul. 31, 2020
Oct. 31, 2019
Debt Instrument [Line Items]    
Credit available under borrowing agreement $ 80.0  
Additional borrowing capacity $ 50.0  
Average interest rate 1.90% 3.80%
Line of credit facility outstanding $ 24.6  
Quarterly consolidated leverage ratio 2.50%  
Fixed charge coverage ratio 1.15