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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		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Amortization of prior service credit	$ 61	$ 61	$ 183	$ 183
Interest cost	(1,585)	(1,571)	(4,763)	(4,655)
Expected return on plan assets	1,938	1,030	5,773	3,023
Total	$ 414	$ (480)	$ 1,193	$ (1,450)

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- Definition

Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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