v3.26.1
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 42 Months Ended
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Income Tax Disclosure [Abstract]        
Effective tax rate, percent   30.10% 11.50%  
Tax credit, amount $ 33.9     $ 78.5