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Long-Term Debt (Details) - USD ($)
$ in Millions
Apr. 30, 2020
Jan. 31, 2020
Debt Instrument [Line Items]    
Long-term debt $ 243.2 $ 243.0
Asset based revolving line of credit    
Debt Instrument [Line Items]    
Amount outstanding 0.0  
Revolving credit facility 100.0  
Current borrowing capacity 42.0 $ 60.0
Outstanding letter of credit amount 2.2  
Senior Secured Notes 11.5 Percent Due 2025    
Debt Instrument [Line Items]    
Principle amount $ 250.0  
Debt instrument, stated interest rate (as a percent) 11.50%  
Long term debt outstanding $ 243.2