Income Taxes - Summary of Income Taxes Reconciled with Federal Statutory Rate (Detail)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Federal income tax rate	21.00%	21.00%
Interest expense deduction limitation	8.20%	7.70%
Nondeductible expenses	1.60%	2.60%
GILTI inclusion, net of foreign tax credits	0.90%	16.70%
State income taxes, net of federal tax benefit	0.70%	(0.80%)
Change in tax contingency reserves	0.10%	0.20%
Valuation allowance adjustments	0.00%	(11.50%)
Foreign earnings taxed at different rates	(1.00%)	1.80%
Other	(0.40%)	(0.60%)
Estimated annual effective income tax rate	31.10%	37.10%