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Leases - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Lessor, Lease, Description [Line Items]          
Right-of-use assets $ 208.6   $ 208.6   $ 235.1
Lease impairment   $ 16.7 0.1 $ 94.2  
Rent concessions cares act 6.1 8.9 11.1 8.9  
Sublease income $ 0.3 0.4 $ 0.7 0.8  
Commercial          
Lessor, Lease, Description [Line Items]          
Lease impairment       94.2  
Level 3          
Lessor, Lease, Description [Line Items]          
Right-of-use assets   267.8   267.8  
Right-of-use asset, fair value   $ 173.6   $ 173.6