Net Sales - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021	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 18 months
Average revenue remaining performance obligation expected timing of satisfaction period	18 months
Contract liabilities	$ 2.7	$ 2.5
Contract with customer, liability partially offset revenue recognized	$ 1.0	$ 0.5