Derivative Instruments and Hedging Activities (Net Fair Value of Designated Hedge Derivatives Subject to Master Netting Arrangements) (Details) - Currency contracts - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Net Fair Value Of Foreign Exchange Cash Flow Assets And Liabilities [Line Items]
Gross recognized amount, assets	$ 54	$ 907
Gross offset amount, assets	0	0
Net amount presented, assets	54	907
Derivatives subject to offset, assets	(54)	(133)
Cash collateral received, assets	0	0
Net amount, assets	0	774
Gross recognized amount, liabilities	4,654	133
Gross offset amount, liabilities	0	0
Net amount presented, liabilities	4,654	133
Derivatives subject to offset, liabilities	(54)	(133)
Cash collateral received, liabilities	0	0
Net amount, liability	$ 4,600	$ 0