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Inventories - Components of Inventories (Detail) - USD ($)
$ in Thousands
Aug. 31, 2021
Feb. 28, 2021
Inventory Disclosure [Abstract]    
Raw material $ 26,036 $ 19,699
Work-in-process 5,332 3,762
Finished goods 8,783 9,445
Inventories $ 40,151 $ 32,906