Goodwill And Intangible Assets (Components Of Acquired Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (180,586)	$ (147,342)
Customer-Related [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	10 years
Gross Carrying Amount	193,744	179,383
Accumulated Amortization	(97,347)	(80,953)
Program-Related [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	18 years
Gross Carrying Amount	79,607	79,631
Accumulated Amortization	(18,988)	(13,976)
Technology-Based Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	9 years
Gross Carrying Amount	76,558	67,969
Accumulated Amortization	(42,000)	(35,676)
Marketing-Related Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	9 years
Gross Carrying Amount	33,259	29,327
Accumulated Amortization	(18,476)	(16,145)
Acquired Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	12 years
Gross Carrying Amount	383,168	356,310
Accumulated Amortization	$ (176,811)	$ (146,750)