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FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jul. 01, 2016	Jun. 30, 2017	Jul. 01, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment loss	$ 0	$ 6,197,000	$ 0	$ 6,197,000
Goodwill		6,197,000		$ 6,197,000
Assets at fair value, nonrecurring	0		0
Liabilities at fair value, nonrecurring	0		0
Diving
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment loss		$ 6,197,000
Goodwill	$ 0		$ 0

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Fair value portion of 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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