Leases - Schedule of Components of ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets
Right-of-use assets	$ 219.9	$ 235.1
Leasehold improvements, equipment and construction in progress, net	27.3	28.8
Total leased assets	247.2	263.9
Current
Short-term lease liabilities	80.4	82.1
Current portion of long-term obligations under Senior Credit Facility and other long-term borrowings	7.4	7.8
Noncurrent
Long-term lease liabilities	224.1	243.4
Long-term borrowings, excluding current portion	18.7	20.5
Total lease liabilities	$ 330.6	$ 353.8