Revenue from Contracts with Customers - Schedule of Contract Balances, Deferred Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Sep. 30, 2025
Change In Contract With Customer Liability [Roll Forward]
Deferred revenues, beginning balance	$ 189,238
Revenue recognized that was included in the deferred revenues balance at the beginning of the period	(86,565)
Increases due to billings, excluding amounts recognized as revenue during the period	72,564
Deferred revenues, ending balance	175,237
Deferred revenue, current portion	173,400	$ 187,400
Deferred revenue, long-term portion	$ 1,800	$ 1,800