Derivative Instruments and Hedging Activities (Fair Value Of Outstanding Designated And Undesignated Derivative Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Sep. 27, 2014
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	$ 1,736	$ 2,391
Derivative liability, fair value	899	178
Foreign Exchange Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1,736	1,750
Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1,736	1,750
Derivative liability, fair value	505	178
Designated As Hedging Instrument [Member] | Foreign Exchange Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value	1,736	1,750
Derivative liability, fair value	505	178
Not Designated As Hedging Instrument [Member] | Foreign Exchange Balance Sheet Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative asset, fair value		641
Derivative liability, fair value	$ 394