Derivative Financial Instruments (Fair Value And Classification Of Derivatives On The Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Sep. 28, 2019
Designated as Hedging Instrument | Other Current Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	$ 1,360	$ 1,060
Designated as Hedging Instrument | Other Current Assets | Interest Rate Swaps
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	0	57
Designated as Hedging Instrument | Other Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	162	261
Designated as Hedging Instrument | Total asset derivative
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	1,522	1,378
Designated as Hedging Instrument | Other Accrued Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	550	736
Designated as Hedging Instrument | Other Long-Term Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	9	152
Designated as Hedging Instrument | Total liability derivatives
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	559	888
Not Designated As Hedging Instruments | Other Current Assets | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative assets as hedging instruments, fair value	560	93
Not Designated As Hedging Instruments | Other Accrued Liabilities | Foreign Currency Contracts
Derivative Instruments, Fair Value
Derivative liabilities as hedging instruments, fair value	$ 904	$ 359