Leases - Schedule of Components of ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Assets
Right-of-use assets	$ 208.6	$ 235.1
Leasehold improvements, equipment and construction in progress, net	25.8	28.8
Total leased assets	234.4	263.9
Current
Short-term lease liabilities	76.4	82.1
Current portion of long-term obligations under Senior Credit Facility and other long-term borrowings	7.0	7.8
Noncurrent
Long-term lease liabilities	210.6	243.4
Long-term borrowings, excluding current portion	17.1	20.5
Total lease liabilities	$ 311.1	$ 353.8