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Discontinued Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Discontinued Operations and Disposal Groups [Abstract]      
Net sales $ 18,334    
Cost of sales 15,841    
Operating expenses 10,650    
Gain on Sale 643    
Income tax benefit (1,561) $ 0 $ 0
Net loss from discontinued operations $ (5,953) $ 0 $ 0