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Derivative Financial Instruments (Notional Amounts Of Outstanding Forward Contracts) (Details) - Forward Contracts - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
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Designated as Hedging Instrument [Member] |  |
Notional amounts | $ 48,791 | $ 39,059
Designated as Hedging Instrument [Member] | Euro / U.S. Dollar |  |
Notional amounts | 32,893 | 26,181
Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar |  |
Notional amounts | 13,733 | 8,800
Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar |  |
Notional amounts | 2,165 | 4,078
Not Designated as Hedging Instrument [Member] |  |
Notional amounts | 374,083 | 249,534
Not Designated as Hedging Instrument [Member] | Canadian / U.S. Dollar |  |
Notional amounts | 8,460 | 14,685
Not Designated as Hedging Instrument [Member] | Swiss Franc / Euro |  |
Notional amounts | 4,897 | 0
Not Designated as Hedging Instrument [Member] | Chinese Yuan offshore / Euro |  |
Notional amounts | 9,487 | 0
Not Designated as Hedging Instrument [Member] | Euro / U.S. Dollar |  |
Notional amounts | 206,717 | 174,120
Not Designated as Hedging Instrument [Member] | Japanese Yen / Euro |  |
Notional amounts | 36,907 | 32,782
Not Designated as Hedging Instrument [Member] | Israeli Shekel / U.S. Dollar |  |
Notional amounts | 5,704 | 7,271
Not Designated as Hedging Instrument [Member] | Japanese Yen / U.S. Dollar |  |
Notional amounts | 4,649 | 6,716
Not Designated as Hedging Instrument [Member] | Swedish Krona / Euro |  |
Notional amounts | 8,618 | 0
Not Designated as Hedging Instrument [Member] | Swedish Krona / U.S. Dollar |  |
Notional amounts | 4,644 | 3,852
Not Designated as Hedging Instrument [Member] | Singapore Dollar / U.S. Dollar |  |
Notional amounts | 75,429 | 1,448
Not Designated as Hedging Instrument [Member] | All other |  |
Notional amounts | $ 8,571 | $ 8,660

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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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