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Inventories - Schedule of Components of Inventory (Details) - USD ($)
$ in Thousands
Nov. 30, 2019
Aug. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 20,904 $ 23,000
Work in process 3,101 2,864
Finished goods 75,789 75,052
Total inventories $ 99,794 $ 100,916