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			6 Months Ended
	Mar. 31, 2012	Apr. 02, 2011		Mar. 31, 2012	Apr. 02, 2011
Customers accounted for ten percent or more of net sales	0	0		0	0
Juniper Networks [Member]
Major customers percentage of net revenues	14.00%	16.00%		18.00%	17.00%
The Coca-Cola Company [Member]
Major customers percentage of net revenues	12.00%		[1]	10.00%		[1]

[1] Represents less than 10 percent of total net sales in the indicated periods.