v3.25.4
Cloud Computing Arrangements - Schedule of Capitalized Computer Software, Net (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Sep. 30, 2025
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Short-term portion $ 10.5 $ 10.4
Long-term portion 61.2 61.3
Total Capitalized implementation costs 71.7 71.7
Less: accumulated amortization (19.4) (16.8)
Total Capitalized implementation costs, net $ 52.3 $ 54.9