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RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Components of Pension Cost) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Components of Pension Cost for Defined Benefit Plan |  |  |  |
Settlement and curtailment charges (gains) |  | $ (126,056) |  |
Defined benefit plans |  | 123,920 | $ 1,575 | $ (2,787)
Defined contribution plans |  | 26,282 | 22,593 | 24,835
United States |  |  |  |
Components of Pension Cost for Defined Benefit Plan |  |  |  |
Service cost |  | 194 | 156 | 140
Interest cost |  | 8,926 | 14,670 | 18,610
Expected return on plan assets |  | (13,050) | (23,377) | (24,980)
Amortization of net loss |  | 1,966 | 1,346 | 1,654
Settlement and curtailment charges (gains) | [1] | 126,055 | 8,118 | 0
Defined benefit plans |  | 124,091 | 913 | (4,576)
Foreign Plan [Member] |  |  |  |
Components of Pension Cost for Defined Benefit Plan |  |  |  |
Service cost |  | 1,413 | 3,140 | 2,908
Interest cost |  | 2,567 | 2,755 | 3,739
Expected return on plan assets |  | (3,990) | (4,217) | (4,430)
Amortization of prior service cost |  | 8 | 57 | 58
Amortization of net loss |  | 882 | 1,986 | 2,296
Settlement and curtailment charges (gains) | [1] | (42) | 237 | 266
Defined benefit plans |  | $ 838 | $ 3,958 | $ 4,837
[1] | Pension settlement charges resulting from lump sum pension payments and the purchase of a group annuity contract in 2021.

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