Goodwill And Intangible Assets (Components Of Acquired Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 28, 2014	Sep. 28, 2013
Customer-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	10 years
Gross Carrying Amount	$ 194,258	$ 193,744
Accumulated Amortization	(110,002)	(97,347)
Program-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	18 years
Gross Carrying Amount	83,220	79,607
Accumulated Amortization	(23,814)	(18,988)
Technology-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	9 years
Gross Carrying Amount	77,777	76,558
Accumulated Amortization	(45,986)	(42,000)
Marketing-Related [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	10 years
Gross Carrying Amount	27,071	33,259
Accumulated Amortization	(14,206)	(18,476)
Finite-Lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Life (years)	12 years
Gross Carrying Amount	382,326	383,168
Accumulated Amortization	$ (194,008)	$ (176,811)