SEGMENT INFORMATION (Capital expenditures and depreciation expense by segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jul. 02, 2016	Jun. 27, 2015
Capital expenditures:
Property, Plant and Equipment, Additions			$ 4,396	$ 5,709
Depreciation expense:
Depreciation expense	$ 2,354	$ 2,458	7,225	6,946
Equipment [Member]
Capital expenditures:
Property, Plant and Equipment, Additions			3,137	4,274
Depreciation expense:
Depreciation expense	1,800	1,859	5,531	5,106
Expendable Tools [Member]
Capital expenditures:
Property, Plant and Equipment, Additions			1,259	1,435
Depreciation expense:
Depreciation expense	$ 554	$ 599	$ 1,694	$ 1,840