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Restructuring and Related Activities (Details) - USD ($)
$ in Thousands
6 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Restructuring Cost and Reserve [Line Items]    
Loss on disposal of business $ 1,198 $ 0
Write down of excess inventory 2,511  
Galvabar [Member]    
Restructuring Cost and Reserve [Line Items]    
Loss on disposal of business $ 1,200