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Additional Balance Sheet Information (Details) - USD ($)
$ in Thousands
Jan. 31, 2022
Jul. 31, 2021
Inventory [Line Items]    
Finished products $ 102,115 $ 87,489
Work-in-process 25,211 20,189
Raw materials and supplies 40,130 28,429
Total inventories $ 167,456 $ 136,107