v3.26.1
Revenue - Schedule of Changes in Deferred Revenue (Details)
$ in Millions
6 Months Ended
Mar. 31, 2026
USD ($)
Revenue from Contract with Customer [Abstract]  
Balance, September 30, 2025 $ 87.6
Recognition of revenue (528.2)
Deferral of revenue 554.6
Balance, March 31, 2026 $ 114.0