DEBT - Net Carrying Value of the Notes (Detail) - USD ($)	Jul. 31, 2019	Jul. 31, 2018
Debt Instrument [Line Items]
Carrying amount of equity component (net of allocated debt issuance costs)	$ 8,200,000
Long-term debt	375,937,000	$ 397,367,000
SPHG Holdings \| Convertible Notes Payable
Debt Instrument [Line Items]
Principal amount of Notes	14,940,000
Unamortized debt discount	(7,508,000)
Long-term debt	$ 7,432,000

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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Face (par) amount of debt instrument at time of issuance.

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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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Amount, after accumulated amortization, of debt discount.

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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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