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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Balance Type:	debit
Period Type:	duration

Restructuring - Schedule of Components of Restructuring Expense by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Restructuring Cost And Reserve [Line Items]
Total restructuring expenses	$ 1,192	$ 1,400	$ 1,745	$ 3,463	$ 6,014
United States [Member]
Restructuring Cost And Reserve [Line Items]
Total restructuring expenses	$ 1,192	541	1,743	825
International [Member]
Restructuring Cost And Reserve [Line Items]
Total restructuring expenses		$ 859	$ 2	$ 2,638