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Note 18 - Post-retirement Benefits - Net Periodic Benefit Cost (Details) - UNITED KINGDOM - Pension Plan [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Amortization of prior service credit $ 61 $ 61 $ 122 $ 122
Interest cost (1,946) (1,574) (3,800) (3,178)
Expected return on plan assets 2,254 1,909 4,387 3,835
Total $ 369 $ 396 $ 709 $ 779