Supplemental Cash Flow Information - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 611.9	$ 770.7
Restricted cash recorded in other current assets	116.3	119.6
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$ 728.2	$ 890.3	$ 1,101.8	$ 1,164.1