v3.26.1
Long-Term Debt (Tables)
 9 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Long-term Debt
June 30,
2026		September 30,
2025
2.50% convertible senior notes maturing August 2027$575.0 $575.0 
4.50% senior notes maturing September 2031980.6 980.6 
4.625% senior notes maturing April 20301,385.4 1,385.4 
5.50% senior notes maturing December 2029— 1,235.0 
6.25% senior secured notes maturing February 2032
1,000.0 1,000.0 
6.250% senior notes maturing October 2034
1,200.0 600.0 
6.375% senior notes maturing March 2033
1,200.0 1,200.0 
6.50% senior notes maturing March 2036
1,300.0 — 
Revolving Credit Facility— 440.0 
Leaseback financial liabilities
33.2 33.2 
Municipal bond1.8 3.0 
$7,676.0 $7,452.2 
Less: Current portion of long-term debt1.3 1.2 
Debt issuance costs, net56.0 48.9 
Plus: Unamortized premium, net12.6 19.6 
Total long-term debt$7,631.3 $7,421.7 
Repayments of Long-term Debt
The following table presents the Company’s principal repayments of debt, which were included in the Condensed Consolidated Statements of Cash Flows, and the associated loss/(gain) related to such repayments, which were included in “Loss on extinguishment of debt, net” in the Condensed Consolidated Statements of Operations. There were no repayments of debt during the three months ended June 30, 2025.
Loss on Extinguishment of Debt, net
Debt InstrumentPrincipal Amount RepaidDebt Premiums PaidWrite-off of Debt Issuance CostsWrite-off of Unamortized Premiums
Three Months Ended June 30, 2026
Revolving Credit Facility$45.0 $— $— $— 
Total$45.0 $— $— $— 
Nine Months Ended June 30, 2026
5.50% senior notes
$1,235.0 $22.6 $4.4 $(9.5)
Revolving Credit Facility805.0 — — — 
Municipal Bond
1.2 — — — 
Total$2,041.2 $22.6 $4.4 $(9.5)
Nine Months Ended June 30, 2025
5.625% senior notes$464.9 $4.4 $1.4 $— 
Municipal Bond
1.2 — — — 
Total$466.1 $4.4 $1.4 $—