RETIREMENT AND DEFERRED COMPENSATION PLANS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
United States
Components of net periodic benefit cost:
Service cost	$ 2,409	$ 3,948	$ 7,228	$ 11,838
Interest cost	2,158	1,742	6,473	5,227
Expected return on plan assets	(3,094)	(3,228)	(9,283)	(9,684)
Amortization of net loss	0	1,668	0	5,003
Amortization of prior service cost	0	0	0	0
Net periodic benefit cost	1,473	4,130	4,418	12,384
Foreign Plans
Components of net periodic benefit cost:
Service cost	1,487	1,775	4,444	5,621
Interest cost	915	330	2,735	1,045
Expected return on plan assets	(589)	(653)	(1,758)	(2,069)
Amortization of net loss	230	403	687	1,280
Amortization of prior service cost	45	35	133	106
Net periodic benefit cost	$ 2,088	$ 1,890	$ 6,241	$ 5,983