Debt

9 Months Ended

Jun. 30, 2024

Debt Disclosure [Abstract]

Debt

Debt

The detail of long-term debt was as follows:

	June 30, 2024		September 30, 2023
Senior notes, fixed interest rate of 5.5%, due 2028	$	750.0	$	750.0
Senior notes, fixed interest rate of 4.1%, due 2029	500.0		500.0
U.S. Revolving Credit Facility	50.0		122.0
Total	1,300.0		1,372.0
Less unamortized debt issuance costs and discount (1)	9.6		11.3
Total long-term debt	$	1,290.4	$	1,360.7

(1)As of June 30, 2024, debt issuance costs were $5.8 and $3.8 related to the Senior Notes due 2028 and the Senior Notes due 2029, respectively. As of September 30, 2023, debt issuance costs were $6.9 and $4.4 related to the Senior Notes due 2028 and the Senior Notes due 2029, respectively.

As of June 30, 2024 and September 30, 2023, the Company also had outstanding short-term notes payable with financial institutions with original maturities of less than 90 days of $21.4 and $19.5, respectively, with weighted-average interest rates of 3.8% and 3.9% as of June 30, 2024 and September 30, 2023, respectively. These notes were primarily outstanding international borrowings.

U.S. Revolving Credit Facility

On April 2, 2024, the Company and certain subsidiaries of the Company entered into a Restatement Agreement (the "Restatement Agreement") with Bank of America, N.A. as administrative agent and collateral agent, and the several lenders from time to time party thereto, which amended the Company’s Credit Agreement, dated as of March 28, 2020 (as previously amended by that certain Amendment No. 1 to Credit Agreement, dated as of February 6, 2023, and as otherwise amended, amended and restated, supplemented or otherwise modified prior to the Restatement Date, the “Credit Agreement”).

Pursuant to the Restatement Agreement, all of the $425.0 of revolving facility commitments under the Credit Agreement (the “Existing Revolving Facility Commitments”) were replaced with an equal amount of new revolving facility commitments (the “Replacement Revolving Facility Commitments”, collectively, the “Revolving Credit Facility”) having substantially similar terms as the Existing Revolving Facility Commitments, except that the maturity date of the Replacement Revolving Facility Commitments will be the earlier of (i) April 2, 2029, and (ii) (a) March 2, 2028, if the aggregate outstanding amount of the Company’s 5.500% Senior Notes due 2028 is greater than $150.0 as of such date and (b) December 29, 2028, if the aggregate outstanding amount of the Company’s 4.125% Senior Notes due 2029 is greater than $150.0 of as such date, in each case, subject to certain exceptions.