Derivative Instruments and Hedging Activities (Reconciliation of the Net Fair Value of Designated Hedge Derivatives) (Details) - Currency exchange contracts gain (loss) - USD ($) $ in Thousands	Mar. 28, 2020	Sep. 28, 2019
Assets
Gross Recognized Amount	$ 1,485	$ 907
Gross Offset Amount	0	0
Net Amount Presented	1,485	907
Derivatives Subject to Offset	(46)	(133)
Cash Collateral Received	0	0
Net Amount	1,439	774
Liabilities
Gross Recognized Amount	46	133
Gross Offset Amount	0	0
Net Amount Presented	46	133
Derivatives Subject to Offset	(46)	(133)
Cash Collateral Received	0	0
Net Amount	$ 0	$ 0

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