DEBT - Summary of the Components of Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jul. 31, 2019
Debt Instrument [Line Items]
Revolving credit facility	$ 0	$ 6,000
Less: unamortized discounts and issuance costs	(7,863)	(8,396)
Total debt, net	379,049	387,669
Less: current portion of debt, net	(5,527)	(5,732)
Total long-term debt, net	373,522	381,937
Convertible Notes Payable
Debt Instrument [Line Items]
Principal amount of long term debt	14,940	14,940
Cerberus Credit Facility
Debt Instrument [Line Items]
Principal amount of long term debt	371,972	375,125
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility	0	6,000
MidCap Credit Facility
Debt Instrument [Line Items]
Revolving credit facility	$ 0	$ 0
7.50% Convertible Senior Note
Debt Instrument [Line Items]
Debt instrument stated percentage	7.50%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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