Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2025 USD ($)
Goodwill [Line Items]
Balance, October 1, 2025	$ 3,493,316
Reclassification to Assets held for sale	(82,204)
Foreign currency translation adjustment	1,474
Balance, December 31, 2025	$ 3,412,586