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
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