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Note 16 - Employee Benefit Plans - Components of Pension Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2020	Sep. 29, 2019	Oct. 04, 2020	Sep. 29, 2019
Service cost	$ 1	$ 1	$ 3	$ 3
Interest cost on projected benefit obligation	271	352	813	1,056
Net amortizations, deferrals and other costs	158	167	474	500
Expected return on plan assets	(228)	(271)	(684)	(813)
Net periodic benefit cost	$ 202	$ 249	$ 606	$ 746

X

- Definition

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

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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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