Leases - Schedule of Components of ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Assets
Right-of-use assets	$ 235.1	$ 431.7
Leasehold improvements, equipment and construction in progress, net	28.8	18.6
Total leased assets	263.9	450.3
Current
Short-term lease liabilities	82.1	115.2
Current portion of long-term obligations under Senior Credit Facility and other long-term borrowings	7.8	3.1
Noncurrent
Long-term lease liabilities	243.4	327.7
Long-term borrowings, excluding current portion	20.5	15.6
Total lease liabilities	$ 353.8	$ 461.6