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Income Taxes - Additional Information (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes [Line Items]        
Reconciliation of income taxes 35.00% 21.00% 21.00% 35.00%
Unrecognized tax benefits that would impact effective tax rate   $ 72,400,000    
Unrecognized tax expense (benefits), interest and penalty expense (benefit) recognized   3,000,000.0 $ 2,200,000 $ 2,000,000.0
Unrecognized tax benefits, accrued interest and penalties   16,100,000 14,400,000  
Deferred tax assets, net operating losses and other tax carryforwards   22,400,000 $ 21,200,000  
Deferred tax assets, net operating losses and other tax carryforwards   7,900,000    
Undistributed earnings of foreign subsidiaries   133,600,000    
Deferred tax liabilities of Foreign Subsidiaries   3,000,000    
Foreign and State Tax [Member]        
Income Taxes [Line Items]        
Income tax liability for foreign and state taxes   9,700,000    
Minimum [Member]        
Income Taxes [Line Items]        
Reasonably possible decrease in unrecognized tax benefits   $ 3,100,000    
Deferred tax assets, remaining net operating losses and other tax carryforwards expiration period   2024    
Maximum [Member]        
Income Taxes [Line Items]        
Reasonably possible decrease in unrecognized tax benefits   $ 3,800,000