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Summary of Significant Accounting Policies and Related Data - Debt Issuance Costs (Details) - USD ($)
Oct. 05, 2021
Oct. 31, 2021
Oct. 31, 2020
Debt Instrument [Line Items]      
Debt issuance costs, net   $ 4,600,000 $ 3,900,000
Line of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity under credit facility $ 600,000,000    
Debt instrument, term 5 years