Income Taxes - Reconciliation of Income Tax Expense (Benefit) for Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax provision at 21%	$ 40,090	$ 23,031	$ 23,952
Difference in effective tax rates of international operations	(868)	(21,399)	(1,124)
State and local income tax, net of federal income tax effect	9,959	(2,366)	2,983
Valuation allowance	5,139	6,306	(2,433)
U.S. tax credits	(3,444)	(6,292)	(4,401)
Income tax contingencies, net of federal income tax effect	3,077	4,246	1,263
Remeasurement of deferred taxes	(3,653)	0	0
Reversal of outside basis difference in former minority investment	(1,103)	0	0
Mexico inflationary deferred tax adjustments	(626)	(1,790)	259
Net U.S. GILTI inclusion	0	8,419	1,455
U.S. tax reform - transition tax	0	1,661	5,026
Goodwill Impairment	0	0	8,432
U.S. tax reform - remeasurement of deferred taxes	0	0	(3,576)
Other - net	(1,572)	(461)	1,659
Income tax provision	$ 46,999	$ 11,355	$ 33,495