Benefit Plans - Funded Status of Plans (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Retirement Benefits [Abstract]
Projected benefit obligation	$ 81,362	$ 70,579
Fair value of plan assets	42,058	37,611
Accumulated benefit obligation	75,744	66,049
Fair value of plan assets	$ 42,058	$ 36,003

No definition available.

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- Definition

Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

+ References

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

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- Definition

Amount of accumulated benefit obligation 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
-Name Accounting Standards Codification
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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

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