Stock-Based Compensation (Tables)

9 Months Ended

Sep. 29, 2021

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Changes in Stock Options

				Weighted-Average		Aggregate
		Weighted-Average		Contractual Life		Intrinsic Value
	Shares	Exercise Price		Life (Years)		(in thousands)
Outstanding - December 30, 2020	1,030,866	$	9.82
Grants	256,172		17.55
Exercised	(132,760)		6.52
Forfeited, cancelled or expired	(41,548)	$	15.99
Outstanding - September 29, 2021	1,112,730	$	11.76		6.05	$	6,104
Vested and expected to vest at September 29, 2021	1,106,140	$	11.73		6.04	$	6,093
Exercisable at September 29, 2021	698,329	$	10.01		4.56	$	4,999

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

	September 29, 2021		September 23, 2020
Expected volatility	46.9	%	—	%
Risk-free interest rate	1.1	%	—	%
Expected term (years)	6.25		—
Expected dividends	—		—

Schedule of Changes in Restricted Shares

A summary of restricted share activity as of September 29, 2021 and changes during the thirty-nine weeks ended September 29, 2021 is as follows:

		Weighted-Average
	Shares	Fair Value
Unvested shares at December 30, 2020	742,404	$	11.68
Granted	182,059	$	17.55
Released	(245,828)	$	11.96
Forfeited, cancelled, or expired	(50,532)	$	13.93
Unvested shares at September 29, 2021	628,103	$	13.09