Goodwill and Intangible Assets - Schedule of Changes in Goodwill by Reportable Segments (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Line Items]
Balance, October 1, 2022	$ 2,353,654
Foreign currency translation adjustment	44,316
Balance, June 30, 2023	3,377,319
Servicemax acquisition
Goodwill [Line Items]
Goodwill, acquired	979,349
Software Products
Goodwill [Line Items]
Balance, June 30, 2023	3,367,500
Professional Services
Goodwill [Line Items]
Balance, June 30, 2023	$ 9,800