Derivative Instruments and Hedging Activities (Reconciliation Of The Net Fair Value Of Foreign Exchange Cash Flow Hedge Assets And Liabilities) (Details) - Foreign Exchange Cash Flow Hedges [Member] - USD ($) $ in Thousands	Apr. 01, 2017	Oct. 01, 2016
Offsetting Assets And Liabilities [Line Items]
Gross Recognized Amount, Assets	$ 4,683	$ 149
Net Amount Presented, Assets	4,683	149
Derivatives Subject to Offset, Assets	0	(147)
Net Amount, Assets	4,683	2
Gross Recognized Amount, Liabilities	504	633
Net Amount Presented, Liabilities	504	633
Derivatives Subject to Offset, Liabilities	0	(147)
Net Amount, Liabilities	$ 504	$ 486