Income Taxes - Summary of Difference Between the Effective Income Tax Rate and the U.S. Statutory Income Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Tax provision at U.S. statutory income tax rate	21.00%	21.00%	35.00%
State income tax, net of federal income tax	1.00%	2.40%	1.90%
Domestic production activities deduction			(1.40%)
Valuation allowances	(0.40%)	0.60%	2.10%
GILTI and Foreign-Derived Intangible Income	(0.60%)	1.10%
Foreign earnings	(1.50%)	0.20%	(1.70%)
U.S.-foreign rate differential	(0.60%)	0.40%	(1.90%)
Transition Tax on unremitted foreign earnings, net		0.10%	0.60%
Effect of the Act on Federal deferred income tax assets and liabilities		(1.30%)	(48.40%)
Goodwill Impairment	(17.90%)	17.90%
Other	(0.80%)	(0.50%)	(0.70%)
Effective income tax rate	0.20%	24.00%	(14.50%)