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Fair Value Measurements - Fair Value of Assets Measured on Recurring Basis (Detail) - Recurring - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mutual fund investments $ 10,981 $ 9,856
Foreign currency forward contracts 2,616 3,032
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mutual fund investments 10,981 9,856
Foreign currency forward contracts 0 0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mutual fund investments 0 0
Foreign currency forward contracts 2,616 3,032
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mutual fund investments 0 0
Foreign currency forward contracts $ 0 $ 0