Revenue (Tables)

9 Months Ended

Sep. 25, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Disaggregation of Revenue

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

	Three Months Ended				Nine Months Ended
	September 25,		September 26,		September 25,		September 26,
	2021		2020		2021		2020
Point-in-time	$	190,014	$	122,015	$	533,308	$	387,556
Over-time		10,575		4,477		29,947		13,812
Total revenue	$	200,589	$	126,492	$	563,255	$	401,368

Schedule of Changes in Deferred Revenue

Changes in deferred revenue were as follows:

	Three Months Ended						Nine Months Ended
	September 25,			September 26,			September 25,			September 26,
	2021			2020			2021			2020
Balance, beginning of the period	$	22,906		$	17,894		$	15,626		$	15,093
Deferred revenue assumed in acquisition		—			—			386			—
Deferral of revenue		17,317			10,137			51,666			33,389
Recognition of deferred revenue		(12,364	)		(10,396	)		(39,819	)		(30,847	)
Balance, end of the period	$	27,859		$	17,635		$	27,859		$	17,635