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Note 14 - Employee Benefit Plans - Components of Pension Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Oct. 04, 2020	Oct. 03, 2021	Oct. 04, 2020
Service cost	$ 1	$ 1	$ 3	$ 3
Interest cost on projected benefit obligation	194	271	581	813
Net amortizations, deferrals and other costs	153	158	459	474
Expected return on plan assets	(189)	(228)	(567)	(684)
Net periodic benefit cost	$ 159	$ 202	$ 476	$ 606

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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