Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Forward Contracts Not Designated (Details) - Not Designated as Hedging Instrument - Foreign Exchange Forward Contract and Options - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Derivative [Line Items]
Notional amount	$ 523,636	$ 483,178
Canadian / U.S. Dollar
Derivative [Line Items]
Notional amount	5,135	2,731
Euro / U.S. Dollar
Derivative [Line Items]
Notional amount	383,227	316,869
British Pound / U.S. Dollar
Derivative [Line Items]
Notional amount	6,058	7,368
Israeli Shekel / U.S. Dollar
Derivative [Line Items]
Notional amount	11,852	12,052
Japanese Yen / U.S. Dollar
Derivative [Line Items]
Notional amount	4,770	25,566
Swiss Franc / U.S. Dollar
Derivative [Line Items]
Notional amount	32,766	25,559
Swedish Krona / U.S. Dollar
Derivative [Line Items]
Notional amount	35,085	35,713
Singapore Dollar / U.S. Dollar
Derivative [Line Items]
Notional amount	0	3,637
Chinese Renminbi / U.S. Dollar
Derivative [Line Items]
Notional amount	16,660	23,965
New Taiwan Dollar / U.S. Dollar
Derivative [Line Items]
Notional amount	11,855	13,906
Korean Won/ U.S. Dollar
Derivative [Line Items]
Notional amount	6,157	4,919
Danish Krone/ U.S. Dollar
Derivative [Line Items]
Notional amount	6,731	3,192
Australian Dollar/ U.S. Dollar
Derivative [Line Items]
Notional amount	452	3,269
All other
Derivative [Line Items]
Notional amount	$ 2,888	$ 4,432