v3.25.4

Long-Term Debt (Tables)

3 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Long-term Debt

			December 31, 2025						September 30, 2025
2.50% convertible senior notes maturing August 2027			$	575.0					$	575.0
4.50% senior notes maturing September 2031			980.6						980.6
4.625% senior notes maturing April 2030			1,385.4						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			600.0						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			430.0						440.0
Leaseback financial liabilities			33.2						33.2
Municipal bond			3.0						3.0
			$	7,507.2					$	7,452.2
Less: Current portion of long-term debt			1.2						1.2
Debt issuance costs, net			57.2						48.9
Plus: Unamortized premium, net			9.1						19.6
Total long-term debt			$	7,457.9					$	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.

																								Loss on Extinguishment of Debt, net
			Debt Instrument						Principal Amount Repaid																		Debt Premiums Paid						Write-off of Debt Issuance Costs						Write-off of Unamortized Premiums
						Three Months Ended December 31, 2025
						5.50% senior notes						$	1,235.0																	$	22.6					$	4.4					$	(9.5)
						Revolving Credit Facility						195.0																		—						—						—
						Total						$	1,430.0																	$	22.6					$	4.4					$	(9.5)
						Three Months Ended December 31, 2024
						5.625% senior notes						$	464.9																	$	4.4					$	1.4					$	—

X

- References

No definition available.

+ Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477734/942-470-50-3

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-8

Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-6

Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-7

+ Details

Name:	us-gaap_ScheduleOfDebtInstrumentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of debt extinguished which may include, amount of gain (loss), the income tax effect and the per share amount of the aggregate gain (loss), net of the related income tax.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481244/470-50-50-1

+ Details

Name:	us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration