Derivative Instruments and Hedging Activities (Reconciliation Of The Net Fair Value Of Designated Hedge Derivatives) (Details) - Currency exchange contracts gain (loss) - USD ($) $ in Thousands	Dec. 29, 2018	Sep. 29, 2018
Offsetting Derivative Assets [Abstract]
Gross Recognized Amount	$ 5,294	$ 8,400
Gross Offset Amount	0	0
Net Amount Presented	5,294	8,400
Derivatives Subject to Offset	(169)	(173)
Cash Collateral Received	0	0
Net Amount	5,125	8,227
Offsetting Derivative Liabilities [Abstract]
Gross Recognized Amount	170	173
Gross Offset Amount	0	0
Net Amount Presented	170	173
Derivatives Subject to Offset	(169)	(173)
Cash Collateral Received	0	0
Net Amount	$ 1	$ 0

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