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Commitments and Contingencies (Details) - USD ($)
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Amount purchased under purchase obligations $ 9,000,000.0 $ 11,100,000  
Purchased obligation amount due within the next fiscal year $ 22,400,000 18,700,000  
Deprecation and accretion period 7 years    
Cumulative asset retirement obligation $ 2,300,000    
Loss contingency, receivable, proceeds $ 0 $ 0 $ 500,000