Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Derivative liabilities	$ 158.0	$ 216.4
Accrued payroll and employee benefits	105.3	114.8
Tax-related accruals	46.4	38.4
Current portion of operating lease liabilities	41.9	41.5
Accrued marketing and advertising	28.7	29.9
Accrued legal and professional	24.0	24.4
Accrued acquisition-related expenses and acquisition consideration payable	13.7	9.4
Other	65.6	52.8
Accrued expenses and other current liabilities	$ 483.6	$ 527.6
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities