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Inventories (Details) - USD ($)
$ in Thousands
Feb. 28, 2019
Mar. 01, 2018
Feb. 28, 2018
Inventory Disclosure [Abstract]      
Raw materials $ 94,410   $ 98,475
Work-in-process 19,067   2,544
Finished goods 11,370   9,742
Total Inventory $ 124,847 $ 118,425 $ 110,761