Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Goodwill And Intangible Assets [Abstract]
Amortization expense for intangible assets	$ 2.9	$ 3.3	$ 3.6
Future amortization expense, 2012	2.4
Future amortization expense, 2013	2.0
Future amortization expense, 2014	1.2
Future amortization expense, 2015	0.9
Future amortization expense, 2016 and thereafter	$ 5.8