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FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jul. 01, 2016	Sep. 29, 2017	Sep. 30, 2016	Oct. 02, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment losses		$ 0	$ 6,197,000	$ 0
Goodwill		11,238,000	11,196,000	14,292,000
Assets, fair value disclosure, nonrecurring		0
Liabilities, fair value disclosure, nonrecurring		0
Diving
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment losses	$ 6,197,000		6,197,000
Goodwill		$ 0	$ 0	$ 3,925,000

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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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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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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