v3.26.1
Long-Term Debt - Scheduled Maturities of Long-Term Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Sep. 30, 2025
Debt Disclosure [Abstract]    
2026 $ 0.0  
2027 93.7  
2028 0.0  
2029 738.0  
2030 0.0  
2031 and thereafter 0.0  
Total long-term debt 831.7  
Less: Current maturities 0.0 $ 0.0
Less: Original issue discount 3.5  
Less: Financing costs 4.3  
Total long-term debt, net $ 823.9 $ 790.2