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Restructuring Plan (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 09, 2019
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Restructuring Plan          
Restructuring charges   $ 25,000 $ 1,165,000 $ 2,609,000 $ 1,165,000
Project Refuel          
Restructuring Plan          
Restructuring charges     1,200,000   1,200,000
Cash restructuring payments   0.9   2,500,000  
Restructuring liability   800,000   800,000  
Incurred pre-tax restructuring costs   4,500,000   4,500,000  
Minimum | Project Refuel          
Restructuring Plan          
Targeted annualized profit improvement       8,000,000  
Maximum | Project Refuel          
Restructuring Plan          
Targeted annualized profit improvement       10,000,000  
Scenario, Forecast | Minimum | Project Refuel          
Restructuring Plan          
Restructuring charges $ 5,000,000        
Scenario, Forecast | Maximum | Project Refuel          
Restructuring Plan          
Restructuring charges $ 5,500,000        
Beauty          
Restructuring Plan          
Restructuring charges   $ 45,000 $ 1,165,000 $ 1,511,000 $ 1,165,000