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Goodwill And Intangible Assets (Schedule Of Changes In Gross Carrying Amount Of Goodwill And Intangible Assets) (Details) (USD $)
In Thousands
 9 Months Ended
Jul. 01, 2011
Goodwill, gross carrying amount, beginning balance $ 485,587
Goodwill, additions during period 187,106
Goodwill, gross carrying amount, ending balance 672,693
Amortized intangible assets, beginning balance 41,626
Amortized intangible assets, ending balance 129,066
Goodwill and intangible assets gross total, beginning balance 530,482
Goodwill and intangible assets additions (deductions) during period 278,146
Goodwill and intangible total, ending balance 808,628
Developed Technology [Member]
  
Amortized intangible assets, beginning balance 14,150
Amortized intangible Assets, additions (deductions) during period 6,510
Amortized intangible assets, ending balance 20,660
Customer Relationships [Member]
  
Amortized intangible assets, beginning balance 21,510
Amortized intangible Assets, additions (deductions) during period 36,000
Amortized intangible assets, ending balance 57,510
Patents and Other [Member]
  
Amortized intangible assets, beginning balance 5,966
Amortized intangible Assets, additions (deductions) during period 44,930
Amortized intangible assets, ending balance 50,896
Trademarks [Member]
  
Unamortized intangible assets, beginning balance 3,269
Unamortized intangible assets, during period 3,600
Unamortized intangible assets, ending balance $ 6,869