Reportable Segments, Geographic Information And Major Customers (Concentration Of Risk) (Details) - Sales Revenue, Net [Member]	12 Months Ended
	Oct. 01, 2016 Rate	Oct. 03, 2015 Rate	Sep. 27, 2014 Rate
General Electric Company [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	11.10%	10.60%	11.20%
ARRIS Group, Inc. [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.10%	12.60%	12.50%
Micron Technology, Inc. [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.40%