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Income Taxes - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Contingency [Line Items]        
Income Tax Benefit $ (1,600,000)   $ (11,800,000)  
Repatriation of foreign earnings     10,400,000  
Income tax benefit from remeasurement of net deferred tax liabilities     1,400,000  
Cash tax obligation 35,900,000      
Cash tax obligation, current 0      
Repatriated amount 482,000,000.0      
Undistributed Earnings 411,000,000.0 $ 714,000,000.0    
Net operating loss carryforwards 26,800,000      
Operating loss carryforwards 14,500,000      
Tax benefits related to tax credit carryforwards 10,900,000      
Valuation allowance 1,200,000      
Acquired Loss And Carry Forwards 1,200,000      
Gross unrecognized tax benefits 100,700,000 109,100,000 119,300,000 $ 60,300,000
The total amount of unrecognized tax benefits that would impact tax rate, if recognized 60,600,000 65,900,000    
Interest and penalties accrued related to uncertain tax positions 11,600,000 14,200,000    
Expense (Benefit) of interest and penalties $ 2,600,000 200,000 $ 8,900,000  
Portion of tax liability incurred in domestic country 73.00%      
Period between open tax years subject to tax audit three and six years      
Additions of tax, interest and penalties related to uncertain tax positions $ 24,300,000 25,400,000    
Tax and interest related to statute expirations and settlement of prior uncertain positions reversed 35,300,000 35,400,000    
Amount of tax, interest and penalties classified as a noncurrent liability 110,700,000      
Increase of income tax expense 4,800,000      
Increase (Decrease) In Deferred Liabilities (8,400,000)      
Federal        
Income Tax Contingency [Line Items]        
Tax credit carryforwards 3,400,000      
Tax credit carryforwards valuation allowance 1,200,000      
Foreign        
Income Tax Contingency [Line Items]        
Deferred Income Tax Assets Net 10,700,000 $ 13,000,000.0    
Operating loss carryforwards valuation allowance 2,000,000.0      
State and Local Jurisdiction        
Income Tax Contingency [Line Items]        
Operating loss carryforwards 10,700,000      
Tax credit carryforwards $ 7,500,000