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Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Forward Contracts and Options (Details) - Not Designated as Hedging Instrument - Foreign Exchange Forward Contract and Options - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
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Derivative [Line Items] |  |
Notional amount | $ 1,058,478 | $ 523,636
Euro / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 781,398 | 383,227
British Pound / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 24,810 | 6,058
Israeli Shekel / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 12,535 | 11,852
Japanese Yen / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 42,340 | 4,770
Swiss Franc / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 74,939 | 32,766
Swedish Krona / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 48,596 | 35,085
Chinese Renminbi / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 32,124 | 16,660
New Taiwan Dollar / U.S. Dollar |  |
Derivative [Line Items] |  |
Notional amount | 16,368 | 11,855
All other |  |
Derivative [Line Items] |  |
Notional amount | $ 25,368 | $ 21,363

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