Contingent Consideration (Tables)

12 Months Ended

Dec. 28, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of business acquisitions by acquisition, contingent consideration

The following table summarizes the changes in the carrying value of estimated contingent consideration:

	December 28, 2019			December 29, 2018
Contingent consideration, beginning of the year	$	4,698		$	1,890
Additions for acquisitions	1,316			3,112
Reduction of liability for payments made	(1,938		)	(728		)
Decrease (increase) of liability related to re-measurement of fair value	(74		)	424
Total contingent consideration, end of the period	4,002			4,698
Current portion of contingent consideration	1,954			1,845
Contingent consideration, less current portion	$	2,048		$	2,853