RETIREMENT AND DEFERRED COMPENSATION PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
United States
Components of net periodic benefit cost:
Service cost	$ 2,365	$ 2,409
Interest cost	2,232	2,158
Expected return on plan assets	(3,101)	(3,094)
Amortization of net loss	0	0
Amortization of prior service cost	0	0
Net periodic benefit cost	1,496	1,473
Foreign Plans
Components of net periodic benefit cost:
Service cost	1,630	1,470
Interest cost	875	903
Expected return on plan assets	(564)	(580)
Amortization of net loss	259	228
Amortization of prior service cost	28	43
Net periodic benefit cost	$ 2,228	$ 2,064