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The Company and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jul. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Estimated useful lives of property and equipment
The estimated useful lives of property and equipment are as follows:
Computer hardware3 years
Purchased software3 years
Equipment and machinery
3 to 5 years
Furniture and fixtures5 years
Leasehold improvementsShorter of 10 years or remaining lease term