Derivative Financial Instruments (Fair Value And Classification Of Derivatives On The Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Sep. 28, 2019
Designated as Hedging Instrument | Other Current Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	$ 1,633	$ 1,060
Designated as Hedging Instrument | Other Current Assets | Interest Rate Swaps
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	4	57
Designated as Hedging Instrument | Other Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	246	261
Designated as Hedging Instrument | Total asset derivative
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	1,883	1,378
Designated as Hedging Instrument | Other Accrued Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	62	736
Designated as Hedging Instrument | Other Long-Term Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	0	152
Designated as Hedging Instrument | Total liability derivatives
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	62	888
Not Designated As Hedging Instruments | Other Current Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	280	93
Not Designated As Hedging Instruments | Other Accrued Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	$ 256	$ 359