Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Thousands	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Goodwill And Intangible Assets [Abstract]
Amortization of acquired intangible assets	$ 28,948	$ 28,280	$ 19,734
Future amortization expenses, 2012	29,747
Future amortization expenses, 2013	25,794
Future amortization expenses, 2014	23,492
Future amortization expenses, 2015	20,694
Future amortization expenses, 2016	$ 18,766