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Employee Benefit Plans - (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2020	Dec. 25, 2019	Dec. 26, 2018
Components of net periodic benefit cost [Abstract]
Interest cost	$ 41	$ 81	$ 76
Amortization of net loss	89	86	112
Settlement loss recognized	95	0	0
Net periodic benefit cost	$ 225	$ 167	$ 188

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
-Topic 715
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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.

+ References

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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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