Derivatives And Fair Value Measurements (Schedule Of The Effect Of Derivative Instruments On The Condensed Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Interest Expense [Member] | Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (107)	$ (127)
Interest Expense [Member] | Cash Flow Hedging [Member] | Treasury Lock [Member]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	79	81
General and Administrative Expense [Member] | Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	21	(323)
Cost of Sales [Member] | Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	181	(2,829)
Other Income [Member]
Derivative Instruments Not Designated as Hedging Instruments, Gain	$ 75	$ 37