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DEBT - Component of Debt and Reconciliation (Details) - USD ($)
$ in Thousands
Oct. 31, 2021
Jul. 31, 2021
Line of Credit Facility [Line Items]    
Less: unamortized discounts and issuance costs $ (5,647) $ (6,136)
Total debt, net 372,123 373,134
Less: current portion of debt, net (5,611) (5,602)
Total long-term debt, net 366,512 367,532
7.50% Convertible Senior Note due March 1, 2024    
Line of Credit Facility [Line Items]    
Principal amount of long term debt 14,940 14,940
Cerberus Term Loan due December 15, 2022    
Line of Credit Facility [Line Items]    
Principal amount of long term debt 362,830 364,330
Cerberus Revolving Facility    
Line of Credit Facility [Line Items]    
Revolving credit facility 0 0
MidCap Credit Facility    
Line of Credit Facility [Line Items]    
Revolving credit facility $ 0 $ 0