MARKET SECTORS AND MAJOR CUSTOMERS - Narrative (Details) - customer	9 Months Ended
	Jun. 30, 2017	Jul. 01, 2016
Concentration Risk [Line Items]
Concentration risk, number of customers	2	2
Customer Concentration Risk [Member] | Sales [Member] | Industrial [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		17.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk, number of customers	3	4
Concentration risk, percentage	39.00%	44.00%
Customer Number Two [Member] | Customer Concentration Risk [Member] | Sales [Member] | Aerospace and Defense [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	15.00%
Customer Number Two [Member] | Customer Concentration Risk [Member] | Sales [Member] | Medical [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%