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Other Expense, Net (Tables)
3 Months Ended
Oct. 31, 2021
Other Income and Expenses [Abstract]  
Schedule of Other Expense Net

Other expense, net consists of the following:

         
   Three Months Ended
October 31,
 
   2021   2020 
   (in thousands) 
Foreign currency transaction losses  $(250)  $(428)
Equity in net loss of investee   (623)    
Losses on investments (see Note 7)   (14,494)   (920)
Other   (849)   (32)
Total other expense, net  $(16,216)  $(1,380)