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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
United States        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 49 $ 48 $ 99 $ 97
Interest cost 65 3,072 131 6,053
Expected return on plan assets 0 (4,198) 0 (8,707)
Amortization of prior service cost 0 0 0 0
Amortization of net loss 45 670 89 1,251
Settlement charges (gains) (1) 0 1,650 (3,735) 6,090
Defined benefit plans 159 1,242 (3,416) 4,784
Multi-employer plans 0 0 0 0
Defined contribution plans 6,295 5,872 12,330 11,034
Total pension cost 6,454 7,114 8,914 15,818
Other foreign plan        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 268 324 573 795
Interest cost 636 392 1,340 1,008
Expected return on plan assets (874) (537) (1,878) (1,509)
Amortization of prior service cost 0 (1) (1) 11
Amortization of net loss 76 11 154 446
Settlement charges (gains) (1) 0 0 0 446
Defined benefit plans 106 189 188 1,197
Multi-employer plans 105 258 215 502
Defined contribution plans 980 553 1,605 1,398
Total pension cost $ 1,191 $ 1,000 $ 2,008 $ 3,097