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OTHER LONG-TERM LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Liabilities, Noncurrent [Abstract] |
Schedule of Other Assets and Other Liabilities [Table Text Block] | Other long-term liabilities at December 31, 2020 and 2019, consisted of the following (amounts in thousands):
| 2020 |  | 2019
Accrued pension liabilities | $ | 24,326 |  |  | $ | 31,080 |
Operating lease liability | 17,137 |  |  | 17,360 |
Foreign government grant (1) | 10,279 |  |  | 8,227 |
Contingencies | 2,694 |  |  | 6,500 |
Income tax liabilities | 804 |  |  | 4,503 |
Other | 8,189 |  |  | 10,355 |
| $ | 63,429 |  |  | $ | 78,025 |
(1) The amount relates foreign government grant programs related to certain capital development projects in Italy and Spain. The grants were recorded as deferred income which will be amortized over the life of the capital development projects.

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- Definition Tabular disclosure of assets and liabilities, classified as other. + References No definition available. + Details
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