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	Jun. 30, 2022	Sep. 30, 2021
Derivative [Line Items]
Notional amount	$ 444,109	$ 563,921
Canadian / U.S. Dollar
Derivative [Line Items]
Notional amount	4,837	4,894
Euro / U.S. Dollar
Derivative [Line Items]
Notional amount	362,686	387,466
British Pound / U.S. Dollar
Derivative [Line Items]
Notional amount	6,095	23,141
Israeli Shekel / U.S. Dollar
Derivative [Line Items]
Notional amount	11,415	10,475
Japanese Yen / U.S. Dollar
Derivative [Line Items]
Notional amount		46,450
Swiss Franc / U.S. Dollar
Derivative [Line Items]
Notional amount	9,272	18,039
Swedish Krona / U.S. Dollar
Derivative [Line Items]
Notional amount	13,182	34,196
Singapore Dollar / U.S. Dollar
Derivative [Line Items]
Notional amount	3,397	3,498
Chinese Renminbi / U.S. Dollar
Derivative [Line Items]
Notional amount	7,975	23,297
New Taiwan Dollar / U.S. Dollar
Derivative [Line Items]
Notional amount	15,758	3,369
Danish krone/ U.S. Dollar
Derivative [Line Items]
Notional amount	2,900	2,380
Australian Dollar/ U.S. Dollar
Derivative [Line Items]
Notional amount	3,068	2,086
All other
Derivative [Line Items]
Notional amount	$ 3,524	$ 4,630