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Note 13 - Employee Benefit Plans - Components of Pension Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Service cost	$ 1	$ 1
Interest cost on projected benefit obligation	210	194
Net amortizations of actuarial loss	140	153
Expected return on plan assets	(204)	(188)
Net periodic benefit cost	$ 147	$ 160

X

- Definition

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

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- 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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