Long-term Debt - Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Interest expense	$ (195.3)	$ (139.1)	$ (356.9)	$ (275.7)
Interest income	1.3	0.2	1.8	0.4
Capitalized interest	0.4	0.9	0.7	1.6
Interest expense, net	(193.6)	(138.0)	(354.4)	(273.7)
2.75% Convertible Notes due 2026 \| Convertible Notes
Debt Instrument [Line Items]
Coupon interest	2.2	2.2	4.5	4.5
Amortization of debt discount	0.0	3.1	0.0	6.2
Amortization of debt issuance costs	0.4	0.3	0.8	0.5
Convertible Notes interest expense	$ 2.6	$ 5.6	$ 5.3	$ 11.2

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