Derivative Instruments and Hedging Activities (Reconciliation of the Net Fair Value of Designated Hedge Derivatives) (Details) - Currency exchange contracts gain (loss) - USD ($) $ in Thousands	Jun. 29, 2019	Sep. 29, 2018
Assets
Gross Recognized Amount	$ 2,014	$ 8,400
Gross Offset Amount	0	0
Net Amount Presented	2,014	8,400
Derivatives Subject to Offset	(179)	(173)
Cash Collateral Received	0	0
Net Amount	1,835	8,227
Liabilities
Gross Recognized Amount	265	173
Gross Offset Amount	0	0
Net Amount Presented	265	173
Derivatives Subject to Offset	(179)	(173)
Cash Collateral Received	0	0
Net Amount	$ 86	$ 0

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