Derivative Instruments and Hedging Activities (Fair Value Of Outstanding Designated And Undesignated Derivative Assets And Liabilities) (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Oct. 03, 2015	Dec. 27, 2014
Foreign Exchange Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 725	$ 841	$ 2,362
Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	725	725
Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	152	152
Designated Hedge Derivatives[Member] | Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	725	725
Designated Hedge Derivatives[Member] | Other Accrued Liabilities [Member] | Foreign Exchange Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	135	135
Derivatives Not Designated As Hedges [Member] | Other Accrued Liabilities [Member] | Foreign Exchange Balance Sheet Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ 17	$ 17