Restructuring - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges provided for during the period	$ 0.0	$ 21.3	$ 0.0
Environment remediation and monitoring costs	0.0	7.5	0.0
Impairment of tangible assets	0.0	2.0	$ 0.0
Environmental Monitoring Expense	2.0
Octane Additives [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of tangible assets		2.0
Octane Additives [Member] \| Operating Segments [Member] \| Tetra Ethyl Lead [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges provided for during the period		$ 21.3
Environment remediation and monitoring costs	7.5
Expected loss on contracts	7.2
Impairment of tangible assets	2.0
Restructuring costs due to downsizing of operations	$ 2.6

Environmental monitoring expense.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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