Guarantees (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Parent company guarantees on lease obligations	$ 667.5	$ 630.8
Parent company guarantees relating to credit facilities	306.5	399.6
Cash pooling guarantees	104.4	$ 109.2
Assets pledged as security for parent company guarantees	$ 0.0