Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Sep. 27, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, accumulated impairment loss					$ 38,200
Amortization of acquired intangible assets	$ 5,994	$ 7,495	$ 18,788	$ 22,606
Future amortization expenses, 2015	24,600		24,600
Future amortization expenses, 2016	23,100		23,100
Future amortization expenses, 2017	19,900		19,900
Future amortization expenses, 2018	18,200		18,200
Future amortization expenses, 2019	$ 16,300		$ 16,300