Detail of Certain Balance Sheet Accounts - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Other Liabilities, Current [Abstract]
Accrued compensation	$ 166.8	$ 126.3
Accrued service fees to China independent service providers	28.9	31.2
Accrued advertising, events, and promotion expenses	51.0	60.7
Current operating lease liabilities	37.3	39.5
Advance sales deposits	60.5	64.0
Income taxes payable	10.7	12.2
Other accrued liabilities	201.5	206.8
Total	$ 556.7	$ 540.7