v3.26.1
Intangible Assets - Summary of Goodwill by Segment (Details)
$ in Millions
9 Months Ended
Jun. 30, 2026
USD ($)
Goodwill [Roll Forward]  
Goodwill, beginning balance $ 658.0
Acquisitions 536.2
Dispositions (3.4)
Currency translation (1.0)
Goodwill, ending balance 1,189.8
Goodwill, measurement period adjustments $ (3.4)