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Income Taxes - Reconciliation of the Federal Statutory Tax Rate to Total Provisions (Detail)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Taxes computed at statutory rate 21.00% 21.00% 35.00%
State income taxes, net of federal income tax benefit 3.16% 2.52% 1.22%
Federal research credit (0.34%) (0.14%) (0.24%)
Domestic manufacturing deduction     (2.58%)
Equity in losses of foreign joint venture 0.19% 0.08% 0.13%
Foreign rate differential   (0.07%) (0.62%)
Noncontrolling interests (1.18%) (0.78%) (1.24%)
Tax Reform Act   0.18% (10.01%)
Other, net 0.27% 0.38% (0.55%)
Provision for income taxes 23.10% 23.17% 21.11%