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Fair Value Measurement - Schedule of Estimated Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	$ 2,842.4	$ 1,750.8
Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	3,088.1	1,797.9
2032 Senior Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,085.7	0.0
2032 Senior Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,150.2	0.0
2025 Convertible Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	686.1	683.6
2025 Convertible Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	841.5	766.5
2027 Convertible Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	625.3	623.5
2027 Convertible Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	650.5	593.2
2026 Senior Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	445.3	443.7
2026 Senior Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	445.9	438.2
Line of Credit | Revolving Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Unamortized debt issuance costs	$ 4.4	$ 0.6

X

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: 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 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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