v3.25.2
Debt (Tables)
 9 Months Ended
Jun. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
The detail of long-term debt was as follows:
June 30, 2025September 30, 2024
Senior Secured Term Loan Facility due 2027$— $782.0 
Senior Secured Term Loan Facility due 2032760.0 — 
6.500%% Senior Notes due 2027
300.0 300.0 
4.750% Senior Notes due 2028
583.7 583.7 
4.375% Senior Notes due 2029
791.3 791.3 
3.500% Senior Notes due 2029 (Euro Notes of €650.0)(1)
766.2 723.8 
Finance lease obligations49.4 49.2 
Total long-term debt, including current maturities$3,250.6 $3,230.0 
Less current portion(8.4)(12.6)
Less unamortized debt premium and debt issuance fees(23.8)(24.4)
Total long-term debt$3,218.4 $3,193.0 
(1) Changes in the USD balance of the Euro denominated 3.50% Senior Notes due in 2029 is due to movements in the currency rate year-over-year.
Schedule of Maturities of Long-term Debt
Debt Maturities - Aggregate maturities of long-term debt as of June 30, 2025 are as follows:
Long-term debt
One year$7.6 
Two year7.6 
Three year891.3 
Four year1,565.1 
Five year7.6 
Thereafter722.0 
Total long-term debt payments due$3,201.2