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Revenues - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenue recognized from contract liabilities	$ 133.0	$ 130.0
Product warranty description	The Company provides limited warranties in connection with the sale of its products. The warranty periods for products sold vary among the Company’s operations, but the majority do not exceed one year.
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue, remaining performance obligation		$ 233.3
Expected timing of satisfaction, period		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue, remaining performance obligation	$ 300.8
Expected timing of satisfaction, period	1 year
Minimum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Expected timing of satisfaction, period	2 years
Maximum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Expected timing of satisfaction, period	3 years
Other Noncurrent Liabilities
Customer advanced payments	$ 20.5	$ 10.6

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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