Revenue

3 Months Ended

Mar. 27, 2021

Revenue From Contract With Customer [Abstract]

Revenue

NOTE 9. Revenue

The following table represents a disaggregation of revenue by timing of revenue:

	Three Months Ended
	March 27,		March 28,
	2021		2020
Point-in-time	$	161,161	$	133,745
Over-time		8,118		6,183
Total revenue	$	169,279	$	139,928

See Note 15 for additional discussion of the Company’s disaggregated revenue in detail.

Contract Liabilities

The Company records contract liabilities when the customer has been billed in advance of the Company completing its performance obligations. These amounts are recorded as deferred revenue in the Condensed Consolidated Balance Sheets.  

Changes in deferred revenue were as follows:

	Three Months Ended
	March 27,			March 28,
	2021			2020
Balance, beginning of the period	$	15,626		$	15,093
Deferred revenue assumed in acquisition		385			—
Deferral of revenue		19,232			14,434
Recognition of deferred revenue		(12,814	)		(11,495	)
Balance, end of the period	$	22,429		$	18,032