The applicable margin percentage points added to the debt instrument.

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Lease Term

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation.

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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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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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LONG-TERM DEBT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
LONG-TERM DEBT (Details) - USD ($) $ in Thousands	Apr. 28, 2018	Apr. 29, 2017	Apr. 28, 2018	Apr. 29, 2017	Jul. 29, 2017	Aug. 14, 2014
Long-term debt instrument
Repayments of Long-term Debt			$ 9,043	$ 8,531
Long term debt, including current portion, carrying value	$ 153,163		153,163		$ 161,991
Interest expense	4,468	$ 4,225	12,368	13,188
Term loan
Long-term debt instrument
Repayments of Long-term Debt			2,500
Long term debt, including current portion, carrying value	111,300		111,300
Capital lease obligation
Long-term debt instrument
Interest Expense, Lessee, Assets under Capital Lease	$ 400	400	$ 1,200	1,200
Lease Term			10 years
Effective interest rate on debt	12.05%		12.05%
Capital Lease Obligation	$ 12,500		$ 12,500
Sale Leaseback Financing Obligation
Long-term debt instrument
Long term debt, including current portion, carrying value	$ 29,400		$ 29,400
Effective interest rate on debt	7.32%		7.32%
Interest expense	$ 500	$ 600	$ 1,600	$ 1,700
Base Rate [Member] \| Term loan
Long-term debt instrument
initial applicable margin			0.75%
Federal Funds Effective Swap Rate [Member] \| Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis			overnight federal funds effective rate
Debt Instrument, Basis Spread on Variable Rate			0.50%
One-month LIBOR \| Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis			one-month LIBOR
Debt Instrument, Basis Spread on Variable Rate			1.00%
LIBOR \| Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis			one, two, three or six months or, if approved by all affected lenders, nine months
initial applicable margin			1.75%
Term loan
Long-term debt instrument
Proceeds from borrowings of long-term debt						$ 150,000
Term loan \| Minimum
Long-term debt instrument
Proceeds from Issuance of Debt			$ 10,000
Term loan \| Maximum
Long-term debt instrument
Proceeds from Issuance of Debt			$ 50,000