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Goodwill And Intangible Assets (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Jun. 28, 2014
Dec. 28, 2013
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Sep. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]            
Goodwill, Impaired, Accumulated Impairment Loss           $ 38,200
Amortization of acquired intangible assets 7,495   7,749 22,606 23,543  
Future amortization expenses, 2014 30,200     30,200    
Future amortization expenses, 2015 26,100     26,100    
Future amortization expenses, 2016 24,400     24,400    
Future amortization expenses, 2017 21,100     21,100    
Future amortization expenses, 2018 19,300     19,300    
Goodwill, Impairment Loss   $ 0