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Fair Value Measurements (Effect of Changes in the Fair Value of Financial Instruments) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 03, 2015
Jun. 27, 2014
Jul. 03, 2015
Jun. 27, 2014
Rabbi Trust Assets [Member] | Other Expense (Income), Net [Member]        
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items]        
Changes in fair value, loss (income) $ 40 $ (490) $ (409) $ (998)