Acquisitions - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
	Oct. 04, 2023	Oct. 02, 2023	Jan. 03, 2023	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2024
Business Acquisition [Line Items]
Business combination, acquisition and transaction related costs				$ 600	$ 300	$ 800	$ 2,800
Goodwill				$ 3,444,104		$ 3,444,104		$ 3,461,891
Servicemax acquisition
Business Acquisition [Line Items]
Preliminary purchase price			$ 828,200
Payments to acquire business, net of cash			$ 1,448,200
Deferred acquisition payments		$ 650,000
Payments to acquire business		620,000
Imputed interest payable		$ 30,000
Pure System
Business Acquisition [Line Items]
Payments to acquire business, net of cash	$ 93,500
Goodwill	77,100
Intangible assets	28,200
Net tax liabilities	8,800
Other net liabilities	$ 3,000