Revenues and Gross Profit - Domestic and Foreign Total Revenues (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Consolidated total revenues	$ 5,414.0	$ 4,729.9	$ 4,739.1
Domestic
Segment Reporting Information [Line Items]
Consolidated total revenues	5,338.5	4,674.4	4,676.3
Foreign
Segment Reporting Information [Line Items]
Consolidated total revenues	$ 75.5	$ 55.5	$ 62.8