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Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Feb. 28, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Line of credit, fair value disclosure $ 9,500,000   $ 9,500,000     $ 10,400,000
International lines of credit and other loans 9,400,000   9,400,000     $ 9,800,000
Change in fair value of interest rate swap, net of tax $ 6,962,000 $ 0 10,818,000 $ 0    
Interest Rate Swap            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Derivative, notional amount         $ 700,000,000  
Derivative, fixed interest rate         2.4575%  
Change in fair value of interest rate swap, net of tax     $ (10,800,000)