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Fair Value Measurements (Summary of Financial Assets Measured at Fair Value) (Details) - USD ($)
$ in Thousands
Jul. 03, 2015
Oct. 03, 2014
Jun. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Rabbi trust assets $ 12,060 $ 10,933 $ 11,026
Level 1 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Rabbi trust assets $ 12,060 $ 10,933 $ 11,026
Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Rabbi trust assets      
Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Rabbi trust assets