Income Tax - Net Deferred Tax Assets and Liabilities Components (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Domestic net non-current deferred tax liabilities	$ 1,825.9	$ 1,542.8
Foreign net non-current deferred tax assets	180.2	105.7
Foreign net non-current deferred tax liabilities	852.0	696.8
Net non-current deferred tax liabilities	$ 2,497.7	$ 2,133.9