MARKET SECTORS AND MAJOR CUSTOMERS - Narrative (Details) - customer	6 Months Ended
	Mar. 31, 2017	Apr. 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		18.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk, number of customers	3	2
Concentration risk, percentage	40.00%	29.00%
Customer Number Two [Member] | Customer Concentration Risk [Member] | Sales [Member] | Aerospace and Defense [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%
Customer Number Two [Member] | Customer Concentration Risk [Member] | Sales [Member] | Medical [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%
Customer Number One [Member] | Customer Concentration Risk [Member] | Sales [Member] | Medical [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		17.00%