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Employee Benefit Plans - (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2021	Dec. 30, 2020	Dec. 25, 2019
Components of net periodic benefit cost [Abstract]
Interest cost	$ 26	$ 41	$ 81
Amortization of net loss	159	89	86
Settlement loss recognized	0	95	0
Net periodic benefit cost	$ 185	$ 225	$ 167

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

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

+ References

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X

- Definition

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

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X

- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

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