Business Segment And Major Customer Information (Schedule Of Percentages Of Net Sales To Customers Representing 10 Percent Or More Of Total Net Sales) (Details)	3 Months Ended		9 Months Ended
	Jun. 30, 2012 Rate	Jul. 02, 2011 Rate	Jun. 30, 2012 Rate	Jul. 02, 2011 Rate
Customers accounted for ten percent or more of net sales	0.00%	0.00%	0.00%	0.00%
Juniper Networks [Member]
Major customers percentage of net revenues	16.00%	17.00%	17.00%	17.00%