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Income Taxes - Differences Between Income Taxes Using Federal Statutory Income Tax Rate and Effective Tax Rate (Detail)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
U.S. federal statutory income tax rate 21.00% 21.00% 21.00%
State income taxes, net of federal tax benefit 2.90% 3.70% 2.20%
U.S. tax on foreign earnings 3.70% 5.60% 2.50%
Impact of differences in foreign tax rates 1.40% 3.30% (2.00%)
Stock-based compensation 3.00% 2.10% (0.30%)
Settlement on audits 0.10% 1.90% 0.00%
Change in valuation allowance (1.30%) 1.70% 1.10%
Other items not individually material (0.20%) 0.30% (0.80%)
Effective tax rate 30.60% 39.60% 23.70%