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DEBT - Additional Information (Detail) - USD ($)
3 Months Ended
Oct. 31, 2020
Jul. 31, 2020
Feb. 28, 2019
Debt Instrument [Line Items]      
Long-term debt $ 377,955,000 $ 379,049,000  
Debt instrument, interest rate, effective percentage 27.80%    
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 $ 14,940,000 14,940,000 $ 14,900,000
Debt instrument amortization period 40 months    
Long-term debt $ 8,346,000 $ 8,054,000