Net Sales - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Revenue From Contract With Customer [Abstract]
Revenue, remaining performance obligation, expected timing of satisfaction, description			contracts have an original expected duration of one year or less, for our contracts with a duration greater than one year at contract inception, the average remaining expected duration was approximately 12 months
Average revenue remaining performance obligation expected timing of satisfaction period			12 months
Contract liabilities	$ 1.7		$ 1.7		$ 2.5
Contract with customer, liability partially offset revenue recognized	$ 0.6	$ 0.6	$ 2.2	$ 1.5