Contingent Consideration (Tables)

9 Months Ended

Sep. 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:

	September 28, 2019			December 29, 2018
Contingent consideration, beginning of the year	$	4,698		$	1,890
Additions for acquisitions	2,737			3,112
Reduction of liability for payments made	(1,938		)	(728		)
Increase of liability related to re-measurement of fair value	49			424
Total contingent consideration, end of the period	5,546			4,698
Current portion of contingent consideration	(3,351		)	(1,845		)
Contingent consideration, less current portion	$	2,195		$	2,853