Segment Data - Additional Information (Detail) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | Segment									3
Net Sales	$ 2,085.3	$ 1,929.3	$ 1,226.1	$ 1,783.8	$ 2,125.7	$ 1,892.4	$ 1,988.6	$ 1,975.5	$ 7,024.5	$ 7,982.2	$ 7,932.9
Share of revenue from an individual country in net sales									less than 10 percent
US [Member]
Segment Reporting Information [Line Items]
Net Sales									$ 4,123.5	$ 4,592.1	$ 4,560.0