ACQUISITIONS (Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Earnings Per Share, Pro Forma [Abstract]
Effective tax rate for pro forma adjustments	20.10%	26.40%	24.50%
Pro Forma
Earnings Per Share, Pro Forma [Abstract]
Effective tax rate for pro forma adjustments	2010.00%	2630.00%
Momentum Solutionz
Business Acquisition [Line Items]
Revenue	$ 239,263	$ 212,934
Gross profit	81,106	68,580
Net income	$ 10,500	$ (1,884)
Earnings Per Share, Pro Forma [Abstract]
Net income per share, basic	$ 1.01	$ (0.18)
Net income per share, diluted	$ 1.01	$ (0.18)

Business Acquisition, Pro Forma Gross Profit

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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