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New Accounting Pronouncements - Additional Information (Details)
Oct. 31, 2020
ASU 2018-13  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true
Change in Accounting Principle, Accounting Standards Update, Adoption Date May 02, 2020
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true
ASU 2019-12  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] true
Change in Accounting Principle, Accounting Standards Update, Adoption Date Aug. 01, 2020