v3.26.1
Debt
 9 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Debt
The detail of long-term debt was as follows:
June 30,
2026		September 30,
2025
Senior notes, fixed interest rate of 5.5%, due 2028 (1)
$750.0 $750.0 
Senior notes, fixed interest rate of 4.1%, due 2029 (1)
500.0 500.0 
Revolving credit facility— 140.0 
Total long-term debt, including current maturities1,250.0 1,390.0 
Less unamortized debt issuance costs and discount (1)
(5.0)(6.7)
Total long-term debt$1,245.0 $1,383.3 
(1)At June 30, 2026, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $2.8 and $2.2, respectively. At September 30, 2025, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $3.9 and $2.8, respectively.
At June 30, 2026 and September 30, 2025, the Company also had outstanding short-term notes payable with financial institutions with original maturities of less than 90 days of $34.2 and $29.5, respectively, with variable weighted-average interest rates of 3.4% and 3.7%, respectively. These notes were primarily outstanding international borrowings.