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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
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 $ 11,300 $ 11,300   $ 10,400
International lines of credit and other loans 9,897 9,897   $ 9,800
Change in fair value of interest rate swap, net of tax $ 1,181 11,999    
Interest Rate Swap        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative, notional amount     $ 700,000  
Derivative, fixed interest rate     2.4575%  
Change in fair value of interest rate swap, net of tax   $ (12,000)