Derivative Financial Instruments - Schedule of Summary of Outstanding Forward Foreign Currency Contracts by Currency (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands	Jun. 30, 2026 EUR (€)	Jun. 30, 2026 USD ($)	Jun. 30, 2026 GBP (£)	Jun. 30, 2026 SGD ($)	Sep. 30, 2025 EUR (€)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 GBP (£)	Sep. 30, 2025 SGD ($)
Foreign Exchange Contracts To Sell European Euro for US Dollar
Derivative [Line Items]
Fair Value		$ 0				$ 0
Foreign Exchange Contracts To Sell European Euro for US Dollar \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract Amount	€ 4,300	4,907			€ 7,700	9,034
Foreign Exchange Contracts To Purchase British Pounds With US Dollars
Derivative [Line Items]
Fair Value		0				0
Foreign Exchange Contracts To Purchase British Pounds With US Dollars \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract Amount		7,800	£ 5,902			13,500	£ 10,019
Foreign Exchange Contracts To Purchase Singapore Dollars With US Dollars
Derivative [Line Items]
Fair Value		0				0
Foreign Exchange Contracts To Purchase Singapore Dollars With US Dollars \| Foreign currency forward contracts \| Short \| Not Designated as Hedging Instrument
Derivative [Line Items]
Contract Amount		$ 5,300		$ 6,853		$ 6,300		$ 8,087