LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Aug. 02, 2014	Aug. 03, 2013
Long-term debt instrument
Effective interest rate on debt	7.32%
Long-term debt
Long-term debt, including current installments	$ 33,500us-gaap_LongTermDebt	$ 34,110us-gaap_LongTermDebt
Less: current installments	990us-gaap_LongTermDebtCurrent	1,019us-gaap_LongTermDebtCurrent
Long-term debt, excluding current portion	32,510us-gaap_LongTermDebtNoncurrent	33,091us-gaap_LongTermDebtNoncurrent
Aggregate maturities of long-term debt
2014	990
2015	1,000
2016	1,141
2017	1,250
2018	1,306
2020 and thereafter	27,813
Long-term debt, including current installments	33,500us-gaap_LongTermDebt	34,110us-gaap_LongTermDebt
Sale leaseback financing obligation
Long-term debt
Long-term debt, including current installments	33,439	33,477
Aggregate maturities of long-term debt
Long-term debt, including current installments	33,439	33,477
Real estate and equipment term loan
Long-term debt instrument
Stated interest rate on debt	8.60%	8.60%
Long-term debt
Long-term debt, including current installments	0	409
Aggregate maturities of long-term debt
Long-term debt, including current installments	0	409
Term loan for employee stock ownership plan
Long-term debt instrument
Stated interest rate on debt	1.33%	1.33%
Long-term debt
Long-term debt, including current installments	61	224
Aggregate maturities of long-term debt
Long-term debt, including current installments	$ 61	$ 224

Sale Leaseback Transaction, Effective Interest Rate

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Publisher SEC

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Amount of long-term debt, after unamortized discount or premium, scheduled 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.

+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.

+ References

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.

+ References

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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