Borrowing Arrangements (Schedule Of Additional Information Regarding Interest Expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Debt Disclosure [Abstract]
Effective interest rate on the liability component	0.00%	6.86%	6.86%	6.86%
Cash interest expense recognized (contractual interest)	$ 0	$ 100	$ 105	$ 300
Effective interest expense recognized	$ 0	$ 339	$ 428	$ 1,000