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Debt - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Repayment of debt $ 85,592,000 $ 16,250,000
Common stock, voting rights, pledged 65.00%  
Senior Notes    
Debt Instrument [Line Items]    
Rate of interest discounted 0.30%  
Revolving Credit Facility    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 400,000,000  
Revolving Credit Facility | Minimum    
Debt Instrument [Line Items]    
Commitment fee charged on unused portion of facility 0.125%  
Revolving Credit Facility | Maximum    
Debt Instrument [Line Items]    
Commitment fee charged on unused portion of facility 0.25%  
Term Loan    
Debt Instrument [Line Items]    
Senior notes, par value $ 858,000,000  
Replaced Line of Credit    
Debt Instrument [Line Items]    
Long-term debt, scheduled future principal payments 2020 49,600,000  
Long-term debt, scheduled future principal payments 2021 287,400,000  
Long-term debt, scheduled future principal payments 2022 476,700,000  
Long-term debt, scheduled future principal payments 2023 5,000,000.0  
Long-term debt, scheduled future principal payments 2024 280,000,000.0  
Long-term debt, scheduled future principal payments, thereafter 468,800,000  
2021 Notes | Senior Notes    
Debt Instrument [Line Items]    
Senior notes, par value $ 238,000,000  
Interest rate of debt 3.875%  
Debt issued, percent of par 99.50%  
Effective yield percentage 3.951%  
Repayment of debt $ 36,200,000  
Debt instrument, repurchase amount 37,300,000  
2024 Notes | Senior Notes    
Debt Instrument [Line Items]    
Senior notes, par value $ 275,000,000  
Interest rate of debt 4.375%  
Debt issued, percent of par 99.60%  
Effective yield percentage 4.422%  
2021 and 2024 Notes | Senior Notes    
Debt Instrument [Line Items]    
Senior notes redemption price, percentage 100.00%  
Term A-2 Loan    
Debt Instrument [Line Items]    
Senior notes, par value $ 195,800,000  
Debt convent, springing maturity, period 91 days  
Term B Loan    
Debt Instrument [Line Items]    
Senior notes, par value $ 500,000,000  
Debt convent, springing maturity, period 91 days  
Letter of Credit    
Debt Instrument [Line Items]    
Letters of credit outstanding, amount $ 11,700,000 15,200,000
European Lease Agreement | Replaced Line of Credit    
Debt Instrument [Line Items]    
Letters of credit outstanding, amount $ 1,500,000 $ 4,400,000
Base Rate | Term B Loan    
Debt Instrument [Line Items]    
Basis spread on LIBOR, percent 3.50%  
Eurodollar | Term Loan    
Debt Instrument [Line Items]    
Basis spread on LIBOR, percent 3.50%  
Eurodollar | Term B Loan    
Debt Instrument [Line Items]    
Basis spread on LIBOR, percent 4.50%