Restructuring Charges - Summary of the Company's restructuring changes by segment (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Charges	$ 5,356	$ 5,385	$ 12,465
Sales [Member]
Restructuring Cost and Reserve [Line Items]
Charges	2,451	2,928	6,663
Marketing [Member]
Restructuring Cost and Reserve [Line Items]
Charges	$ 2,905	$ 2,457	$ 5,802

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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