Debt

9 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Debt

Debt

The detail of long-term debt was as follows:

	June 30, 2023		September 30, 2022
Senior notes, fixed interest rate of 5.500%, due 2028	$	750.0	$	750.0
Senior notes, fixed interest rate of 4.125%, due 2029	500.0		500.0
U.S. revolving credit facility (1)	85.0		155.0
Total	1,335.0		1,405.0
Less unamortized debt issuance costs and discount (2)	11.9		13.6
Total long-term debt	$	1,323.1	$	1,391.4

(1)The U.S. revolving credit facility matures in April 2025.

(2)As of June 30, 2023, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $7.2 and $4.7, respectively. As of September 30, 2022, the balance for the Senior Notes due 2028 and the Senior Notes due 2029 are reflected net of debt issuance costs of $8.3 and $5.3, respectively.

Additionally, the Company had variable-rate international borrowings, recorded in Notes payable, of $17.7 and $19.0 as of June 30, 2023 and September 30, 2022, respectively.

Senior Secured Revolving Credit Facility

On February 6, 2023, the Company amended its senior secured revolving credit facility in an aggregate principal amount of $425.0 dated March 28, 2020 between the Company and Bank of America, N.A., as administrative agent, and lenders parties thereto (the “Revolving Credit Facility”), to reflect the required transaction from the London Interbank Offered Rate (“LIBOR”) to the Secured Overnight Financing Rate (“SOFR”) as the dominant benchmark rate by June 30, 2023. This did not have a material change on interest expense for the period ended June 30, 2023.