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Fair Value Measurement - Schedule of Estimated Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	$ 4,722.8	$ 2,845.3
Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	4,881.0	3,174.4
2032 Senior Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,632.6	1,086.5
2032 Senior Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,702.6	1,119.4
Term Loan | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	985.5	0.0
Term Loan | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,010.0	0.0
2033 Euro Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	787.4	0.0
2033 Euro Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	834.1	0.0
2025 Convertible Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	689.4	686.9
2025 Convertible Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	712.0	927.8
2027 Convertible Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	627.9	626.0
2027 Convertible Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	622.3	684.0
2026 Senior Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	0.0	445.9
2026 Senior Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	0.0	443.2
Line of Credit | Revolving Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Unamortized debt issuance costs	$ 3.6	$ 4.3

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