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Inventories - Schedule of Components of Inventory (Details) - USD ($)
$ in Thousands
Feb. 29, 2020
Aug. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 18,102 $ 23,000
Work in process 2,599 2,864
Finished goods 74,174 75,052
Total inventories $ 94,875 $ 100,916