Fair Value (Details) - USD ($) $ in Thousands	Sep. 25, 2020	Dec. 27, 2019
Assets
Total assets at fair value	$ 17,661	$ 17,702
Liabilities
Total liabilities at fair value	13,983	13,878
Long term debt, carrying amount	150,000	150,000
Long term debt, fair value	165,000	165,000
Level 2
Assets
Cash surrender value of life insurance	17,273	17,702
Forward exchange contracts	388	0
Liabilities
Deferred compensation	4,855	4,719
Forward exchange contracts	0	87
Level 3
Liabilities
Contingent consideration	$ 9,128	$ 9,072

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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Fair value of financial and nonfinancial obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Fair value portion of other liabilities.

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