Other Financial Information (Property, Equipment And Improvements, Net In The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2013	Sep. 28, 2012	Sep. 30, 2011
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	$ 919,170	$ 856,058
Accumulated depreciation and amortization	(539,874)	(524,927)
Property, plant and equipment, net, total	379,296	331,131	284,633
Land [Member]
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	22,027	23,786
Building [Member]
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	131,690	136,193
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	537,835	502,568
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	204,940	163,916
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, equipment and improvements, gross	$ 22,678	$ 29,595