Fair Value Measurements - Financial Assets and Liabilities, Excluding Cash and Cash Equivalents, Measured on a Recurring Basis at Fair Value (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mutual fund assets	$ 25,121	$ 26,804
Derivative assets:
Interest rate contracts	3,977	6,183
Foreign currency contracts	1,243	1,018
Total assets at fair value	30,341	34,005
Derivative liabilities:
Foreign currency contracts	768	928
Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Mutual fund assets	25,121	26,804
Derivative assets:
Total assets at fair value	25,121	26,804
Level 2 [Member]
Derivative assets:
Interest rate contracts	3,977	6,183
Foreign currency contracts	1,243	1,018
Total assets at fair value	5,220	7,201
Derivative liabilities:
Foreign currency contracts	$ 768	$ 928