Leases - Future Minimum Lease Commitments (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Operating Leases
2021 (excluding the nine months ended September 30, 2021)	$ 104.9
2022	414.9
2023	402.9
2024	385.3
2025	382.5
Thereafter	7,824.5
Total lease payments	9,515.0
Less: Imputed interest	(5,088.3)
Present value of future lease payments	4,426.7
Less: Current portion of lease obligations	(133.5)
Long-term portion of lease obligations	4,293.2
Finance Leases
2021 (excluding the nine months ended September 30, 2021)	7.4
2022	29.4
2023	28.7
2024	24.7
2025	24.7
Thereafter	512.3
Total lease payments	627.2
Less: Imputed interest	(311.0)
Present value of future lease payments	316.2
Less: Current portion of lease obligations	(9.5)
Long-term portion of lease obligations	306.7
Financing Obligations
2021 (excluding the nine months ended September 30, 2021)	92.6
2022	370.3
2023	370.4
2024	370.4
2025	370.5
Thereafter	9,095.3
Total lease payments	10,669.5
Less: Imputed interest	(6,563.5)
Present value of future lease payments	4,106.0
Less: Current portion of lease obligations	(38.2)	$ (36.0)
Long-term portion of lease obligations	$ 4,067.8	$ 4,096.4

Finance Lease, Liability, Payments, Due After Year Four

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