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Summary of Significant Accounting Policies - Carrying Amount of Contract Assets (Details)
$ in Thousands
9 Months Ended
Apr. 30, 2022
USD ($)
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward]  
Beginning balance $ 7,485
Costs amortized during the period (2,318)
Effect of foreign currency exchange rates 382
Ending balance $ 5,549