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Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Assets  
Operating lease right-of-use assets $ 276.5
Finance lease 327.0
Total leased assets 603.5
Current liabilities:  
Current operating lease liabilities 40.4
Finance lease 21.0
Noncurrent liabilities:  
Long-term operating lease liabilities 243.8
Finance lease 363.1
Total lease liabilities 668.3
Finance lease right-of-use asset accumulated depreciation $ 99.6