Goodwill And Intangible Assets (Components Of Acquired Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 29, 2013	Sep. 29, 2012
Customer-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	10 years
Gross Carrying Amount	$ 191,061	$ 179,383
Accumulated Amortization	(91,910)	(80,953)
Program-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	18 years
Gross Carrying Amount	75,857	79,631
Accumulated Amortization	(16,789)	(13,976)
Technology-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	9 years
Gross Carrying Amount	75,771	67,969
Accumulated Amortization	(40,302)	(35,676)
Marketing-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	9 years
Gross Carrying Amount	32,853	29,327
Accumulated Amortization	(17,643)	(16,145)
Acquired Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	12 years
Gross Carrying Amount	375,542	356,310
Accumulated Amortization	$ (166,644)	$ (146,750)