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Derivative Financial Instruments (Notional Amounts Of Outstanding Forward Contracts) (Details) - Forward Contracts - USD ($) $ in Thousands | Dec. 29, 2018 | Sep. 30, 2018
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Not Designated as Hedging Instrument |  |
Notional amounts | $ 347,515 | $ 405,956
Not Designated as Hedging Instrument | Canadian / U.S. Dollar |  |
Notional amounts | 7,195 | 7,334
Not Designated as Hedging Instrument | Japanese Yen / Euro |  |
Notional amounts | 249,703 | 297,730
Not Designated as Hedging Instrument | United Kingdom, Pounds |  |
Notional amounts | 7,616 | 7,074
Not Designated as Hedging Instrument | Japanese Yen / U.S. Dollar |  |
Notional amounts | 27,810 | 37,456
Not Designated as Hedging Instrument | Switzerland, Francs |  |
Notional amounts | 12,875 | 11,944
Not Designated as Hedging Instrument | Swiss Franc / U.S. Dollar |  |
Notional amounts | 7,424 | 9,778
Not Designated as Hedging Instrument | Swedish Kronor / U.S. Dollar |  |
Notional amounts | 13,562 | 18,207
Not Designated as Hedging Instrument | Singapore Dollar / U.S. Dollar |  |
Notional amounts | 3,067 | 1,902
Not Designated as Hedging Instrument | China, Yuan Renminbi |  |
Notional amounts | 8,981 | 9,010
Not Designated as Hedging Instrument | All other |  |
Notional amounts | 9,282 | 5,521
Cash Flow Hedging | Designated as Hedging Instrument |  |
Notional amounts | 0 | 12,396
Cash Flow Hedging | Designated as Hedging Instrument | Japanese Yen / Euro |  |
Notional amounts | 0 | 8,495
Cash Flow Hedging | Designated as Hedging Instrument | Japanese Yen / U.S. Dollar |  |
Notional amounts | 0 | 2,193
Cash Flow Hedging | Designated as Hedging Instrument | Swedish Kronor / U.S. Dollar |  |
Notional amounts | 0 | 1,708
Net Investment Hedging | Designated as Hedging Instrument |  |
Notional amounts | 140,492 | 0
Net Investment Hedging | Designated as Hedging Instrument | Japanese Yen / Euro |  |
Notional amounts | $ 140,492 | $ 0

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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