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RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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U.S pension plans |  |
Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets |  |
Projected benefit obligation | $ 8,326 | $ 9,331
Accumulated benefit obligation | 8,002 | 8,937
Fair value of plan assets | 0 | 0
Non-U.S. pension plans. |  |
Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets |  |
Projected benefit obligation | 88,290 | 82,378
Accumulated benefit obligation | 86,317 | 80,444
Fair value of plan assets | $ 50,758 | $ 48,974

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