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DEBT - Additional Information (Detail)
3 Months Ended
Dec. 09, 2020
USD ($)
Feb. 28, 2019
USD ($)
$ / shares
Apr. 30, 2021
USD ($)
Jan. 31, 2021
USD ($)
Jun. 02, 2021
Dec. 08, 2020
Jul. 31, 2020
USD ($)
Debt Instrument [Line Items]              
Long-term debt     $ 374,200,000       $ 379,049,000
Debt instrument, interest rate, effective percentage     27.80%        
Second Amendment to the Credit Facility | Subsequent Event              
Debt Instrument [Line Items]              
Unused line fee         0.65%    
MidCap Credit Facility              
Debt Instrument [Line Items]              
Dividends       $ 40,000,000.0      
MidCap Credit Facility | First Amendment to the Credit Facility              
Debt Instrument [Line Items]              
Dividends, cash $ 50,000,000.0            
Minimum liquidity required $ 3,000,000.0            
Percentage of eligible accounts 75.00%         50.00%  
SPHG Holdings              
Debt Instrument [Line Items]              
Conversion to common stock   $ 1,000          
Debt conversion price (in usd per share) | $ / shares   $ 2.37          
Debt conversion ratio   0.4212655          
SPHG Holdings | 7.50% Convertible Senior Note due March 1, 2024              
Debt Instrument [Line Items]              
Debt instrument, stated interest rate   7.50%          
Principal amount of note   $ 14,900,000 $ 14,940,000       14,940,000
Debt instrument amortization period     34 months        
Long-term debt     $ 8,984,000       $ 8,054,000