RETIREMENT AND DEFERRED COMPENSATION PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Components of net periodic benefit cost:
Curtailment	$ (1,851)	$ 0	$ (1,851)	$ 0
United States
Components of net periodic benefit cost:
Service cost	2,366	2,409	7,097	7,228
Interest cost	2,242	2,158	6,726	6,473
Expected return on plan assets	(3,116)	(3,094)	(9,347)	(9,283)
Amortization of net loss	0	0	0	0
Amortization of prior service cost	0	0	0	0
Net periodic benefit cost	1,492	1,473	4,476	4,418
Curtailment	0	0	0	0
Total Net periodic benefit cost	1,492	1,473	4,476	4,418
Foreign Plans
Components of net periodic benefit cost:
Service cost	1,605	1,487	4,838	4,444
Interest cost	860	915	2,602	2,735
Expected return on plan assets	(549)	(589)	(1,671)	(1,758)
Amortization of net loss	303	230	819	687
Amortization of prior service cost	29	45	83	133
Net periodic benefit cost	2,248	2,088	6,671	6,241
Curtailment	(1,851)	0	(1,851)	0
Total Net periodic benefit cost	$ 397	$ 2,088	$ 4,820	$ 6,241