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DEBT - Additional Information (Detail)					3 Months Ended
DEBT - Additional Information (Detail)	Feb. 28, 2019 USD ($) $ / shares	Dec. 15, 2017	Dec. 15, 2017 USD ($)	Jun. 30, 2014 USD ($)	Oct. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Jul. 31, 2019 USD ($)
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage					18.47%
Excess cash flow payments					$ 0
Revolving credit facility outstanding					2,000,000		$ 6,000,000
Redemption price percentage	100.00%
Carrying amount of equity component							8,200,000
PNC Bank Credit Facility
Debt Instrument [Line Items]
Line of credit facility, term				5 years
Line of credit facility, maximum credit commitment				$ 50,000,000	25,000,000
Line of credit facility, unutilized commitment fee percentage				0.25%
Available borrowing capacity					7,200,000
Cerberus Credit Facility
Debt Instrument [Line Items]
Available borrowing capacity					$ 23,000,000
Term loan facility			$ 393,000,000
Revolving credit facility			$ 25,000,000
Line of credit facility, interest rate description		Borrowings under the Cerberus Credit Facility bear interest, at the Borrower's option, at a Reference Rate plus 3.75% or a LIBOR Rate plus 6.5%, each as defined the Financing Agreement.
Aggregate amount of each consecutive quarterly scheduled principal installment						$ 1,500,000
Leverage ratio					350.00%
London Interbank Offered Rate (LIBOR) \| Cerberus Credit Facility
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate		6.50%
Base Rate \| Cerberus Credit Facility
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate		3.75%
Letter of Credit Sublimit \| PNC Bank Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum credit commitment					$ 5,000,000
Scenario 1 \| Cerberus Credit Facility
Debt Instrument [Line Items]
Excess cash flow payment percentage			50.00%
Scenario 1 \| London Interbank Offered Rate (LIBOR) \| PNC Bank Credit Facility
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate				2.25%
Scenario 2 \| Cerberus Credit Facility
Debt Instrument [Line Items]
Excess cash flow payment percentage			25.00%
Scenario 2 \| London Interbank Offered Rate (LIBOR) \| PNC Bank Credit Facility
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate				1.00%
Scenario 2 \| Federal Funds Open Rate \| PNC Bank Credit Facility
Debt Instrument [Line Items]
Debt instrument, percentage points added to the reference rate				0.50%
Term Loan \| Cerberus Credit Facility
Debt Instrument [Line Items]
Long-term debt					372,804,000		374,237,000
Principal amount outstanding					373,625,000		375,125,000
Current and long-term net					372,800,000		374,200,000
Line of Credit \| Cerberus Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum credit commitment					23,000,000
Revolving credit facility outstanding					2,000,000		6,000,000
SPHG Holdings
Debt Instrument [Line Items]
Debt instrument, interest expense					$ 689,000
Debt conversion ratio	0.4212655
Debt conversion price (in usd per share) \| $ / shares	$ 2.37
SPHG Holdings \| 7.50% Convertible Senior Debt
Debt Instrument [Line Items]
Principal amount	$ 14,940,000						$ 14,940,000
Debt instrument, stated interest rate	7.50%