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Share-Based Compensation (Details 1) - USD ($)
3 Months Ended 9 Months Ended
Dec. 01, 2018
Dec. 01, 2018
Dec. 02, 2017
Award transactions on stock options      
Outstanding, Beginning   129,901  
Outstanding shares awards exercised   (19,000) (100,000)
Outstanding, Ending 100,341 100,341  
Award transactions on stock options, Weighted Average Exercise Price [Roll Forward]      
Weighted average exercise price, Beginning   $ 11.10  
Weighted average exercise price, Awards exercised   20.43  
Weighted average exercise price, Ending $ 8.34 $ 8.34  
Weighted average remaining contractual life, Outstanding 2 years 9 months    
Aggregate intrinsic value, Outstanding $ 2,820,586 $ 2,820,586  
Deferred Compensation, Share-based Payments [Member]      
Award transactions on stock options      
Outstanding shares awards exercised   (29,560)