BASIS OF PRESENTATION (Inventories) (Narrative) (Details)	6 Months Ended
	Mar. 28, 2020
Equipment [Member]
Inventory [Line Items]
Reserves For Inventory In Excess Of Demand Inventory Future Consumption Period	18 months
Spare Parts [Member]
Inventory [Line Items]
Reserves For Inventory In Excess Of Demand Inventory Future Consumption Period	24 months
Expendable Tools [Member]
Inventory [Line Items]
Reserves For Inventory In Excess Of Demand Inventory Future Consumption Period	12 months