Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill And Intangible Assets [Line Items]
Amortization of intangible assets	$ 55.2	$ 67.4	$ 43.5
Trademarks and Trade names [Member]
Goodwill And Intangible Assets [Line Items]
Un-amortized Intangible assets, net	$ 55.9