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Leases - Maturity of Lease Liabilities (Details) $ in Millions	Jun. 30, 2020 USD ($)
Operating Leases
Remaining 2020	$ 27.7
2021	48.9
2022	41.7
2023	35.5
2024	31.0
Thereafter	93.1
Total lease payments	277.9
Less: Present value discount	(26.3)
Present value lease liabilities	251.6
Finance Leases
Remaining 2020	0.3
2021	0.3
2022	0.2
2023	0.2
2024	0.1
Thereafter	0.2
Total lease payments	1.3
Less: Present value discount	0.0
Present value lease liabilities	1.3
Total
Remaining 2020	28.0
2021	49.2
2022	41.9
2023	35.7
2024	31.1
Thereafter	93.3
Total lease payments	279.2
Less: Present value discount	(26.3)
Present value lease liabilities	$ 252.9

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