Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment	$ 0	$ 0	$ 38,200
Amortization of acquired intangible assets	24,708	$ 29,907	$ 31,137
Future amortization expenses, 2016	21,900
Future amortization expenses, 2017	18,500
Future amortization expenses, 2018	17,100
Future amortization expenses, 2019	15,900
Future amortization expenses, 2020	$ 14,500