Goodwill And Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended			6 Months Ended
	Mar. 29, 2014	Dec. 28, 2013	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013	Sep. 28, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Impaired, Accumulated Impairment Loss						$ 38,200,000
Amortization of acquired intangible assets	7,548,000		8,053,000	15,111,000	15,794,000
Future amortization expenses, 2014	30,000,000			30,000,000
Future amortization expenses, 2015	25,900,000			25,900,000
Future amortization expenses, 2016	24,200,000			24,200,000
Future amortization expenses, 2017	20,900,000			20,900,000
Future amortization expenses, 2018	19,000,000			19,000,000
Goodwill, Impairment Loss		$ 0