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Summary of Significant Accounting Policies - Revenue Recognition (Details) - Few Contracts - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-08-01
Jul. 31, 2023
Minimum  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue arrangements by service contract period 1 year
Maximum  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue arrangements by service contract period 3 years