Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Stated rate on an interest rate forward or futures contract.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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No definition available.

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: 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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Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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No definition available.

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FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Jun. 24, 2016	Jun. 09, 2016	Jan. 23, 2015	Apr. 28, 2018	Jul. 29, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest Rate Derivative Liabilities, at Fair Value				$ 0	$ (308)
Interest Rate Derivative Assets, at Fair Value				7,388	2,491
Long term debt, including current portion, carrying value				153,163	161,991
Long term debt, including current portion, fair value				$ 158,886	$ 169,058
Interest Rate Swap January 23, 2015 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Maturity Date			Aug. 03, 2022
Derivative, Forward Interest Rate			1.795%
Derivative, Notional Amount			$ 115,000
Interest Rate Swap June 9, 2016 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Maturity Date		Jun. 09, 2019
Derivative, Forward Interest Rate		0.8725%
Derivative, Notional Amount		$ 50,000
Interest Rate Swap June 9, 2016 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Maturity Date		Apr. 29, 2021
Derivative, Forward Interest Rate		1.065%
Derivative, Notional Amount		$ 25,000
Interest Rate Swap June 24, 2016 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Maturity Date	Jun. 24, 2019
Derivative, Forward Interest Rate	0.7265%
Derivative, Notional Amount	$ 50,000
Interest Rate Swap June 24, 2016 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Maturity Date	Apr. 29, 2021
Derivative, Forward Interest Rate	0.926%
Derivative, Notional Amount	$ 25,000