Investment Income (Loss) (Details) (USD $)
|12 Months Ended|
Sep. 27, 2009
|Components of Investment Income (Loss), Net [Abstract]|
|Other-than-temporary impairment losses on marketable securities||$ 747|
|Noncredit portion of losses on debt securities||$ 4|
This element represents the amount related to the noncredit portion of losses on debt securities recognized in other comprehensive income.
This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
Reference 1: http://www.xbrl.org/2003/role/presentationRef