Pension Benefits - Schedule of Accumulated Benefit Obligations In Excess of Fair Value (Details) - Pension Plan - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 26, 2021
Pension Benefits
Projected benefit obligation	$ 179,608	$ 348,831
Accumulated benefit obligation	179,370	338,346
Fair value of plan assets	$ 0	$ 96,354

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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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-Publisher FASB
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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.

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