Stock Options and Awards (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares	6 Months Ended	12 Months Ended
Jun. 27, 2020	Dec. 28, 2019
Outstanding at beginning of period	276,000	189,167
Issued	44,000	96,000
Exercised		(1,667)
Outstanding at end of period	313,001	276,000
Weighted - Average Exercise Price
Outstanding at beginning of period	$ 22.30	$ 21.46
Issued	19.44	23.65
Exercised		19.10
Forfeited	19.10	21.20
Outstanding at end of period	$ 21.97	$ 22.30

No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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-Publisher FASB
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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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