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Note H - Components of Net Periodic Benefit Cost - Net Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest cost	$ 1,168	$ 1,473	$ 2,336	$ 2,946
Expected return on plan assets	(1,688)	(1,384)	(3,376)	(2,768)
Recognized actuarial loss	860	812	1,720	1,624
Net periodic benefit cost	$ 340	$ 901	$ 680	$ 1,802

X

- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

+ References

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X

- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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