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Description of Business and Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jan. 31, 2021
Accounting Policies [Abstract]  
Contract with Customer, Asset and Liability
The change in the carrying amount of contract assets was as follows (In thousands):
Balance as of July 31, 2020$10,080 
Capitalized contract assets during the period100 
Costs amortized during the period(1,681)
Effect of foreign currency exchange rates197 
Balance as of January 31, 2021$8,696 
Schedule of Foreign Currency Translation
The cumulative effects of foreign currency exchange rate fluctuations were as follows (In thousands):
Cumulative loss on foreign currency translation as of July 31, 2019$(132,529)
Gain on foreign currency translation11,441 
Cumulative loss on foreign currency translation as of July 31, 2020$(121,088)
Gain on foreign currency translation14,368 
Cumulative loss on foreign currency translation as of January 31, 2021$(106,720)