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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax Contingency [Line Items]      
Effective tax rate 24.60% 28.20%  
Unrecognized tax benefits $ 39.1 $ 45.3 $ 39.0
Unrecognized tax benefits that would affect the effective tax rate $ 11.4    
State Local And Foreign Jurisdiction Tax Authority      
Income Tax Contingency [Line Items]      
Statute of limitation period 3 years