Other Current and Non-Current Liabilities - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Other Liabilities Current [Abstract]
Accrued accounts payable	$ 101.3	$ 81.1
Accrued payables from acquisitions	81.0	161.0
Accrued compensation liability	33.6	61.9
Value-added taxes payable	5.2	7.3
Contingent consideration payable	1.3	286.7
Other current liabilities	61.6	52.4
Total other current liabilities	$ 284.0	$ 650.4