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Leases - Maturities of Lease Liabilities (Details) $ in Millions	Dec. 31, 2020 USD ($)
Operating Leases
2021	$ 33.4
2022	33.3
2023	31.0
2024	26.6
2025	24.1
Thereafter	182.0
Total lease payments	330.3
Less: lease payments representing interest	(101.2)
Present value of lease liabilities	229.1
Finance Leases
2021	16.2
2022	12.8
2023	11.5
2024	25.2
2025	33.9
Thereafter	71.2
Total lease payments	170.8
Less: lease payments representing interest	(45.9)
Present value of lease liabilities	$ 124.9

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