Investments Available for Sale (Tables)

12 Months Ended

Dec. 30, 2022

Investments Debt And Equity Securities [Abstract]

Summary of Investments Available for Sale and Related Fair Value Measurement

During 2022, the Company started to invest its cash in slightly higher yielding securities.  Investments AFS and the related fair value measurement consisted of the following (dollars in thousands):

	December 30, 2022
										Fair Value Measurements
	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value		Level 1		Level 2
Commercial paper	$	44,054	$	11	$	(62	)	$	44,003	$	—	$	44,003
Certificates of deposit		17,355		4		(75	)		17,284		—		17,284
U.S. Treasury securities		21,847		3		(15	)		21,835		21,835		—
U.S. agency securities		10,688		16		(3	)		10,701		—		10,701
Corporate debt securities		45,522		4		(288	)		45,238		—		45,238
Total investments AFS	$	139,466	$	38	$	(443	)	$	139,061	$	21,835	$	117,226

Summary of Fair Value of Investments Available for Sale by Contractual Maturity

The following table shows the fair value of investments AFS by contractual maturity (dollars in thousands):

	As of December 30, 2022
	Within one year		After one year through five years		Total
Commercial paper	$	44,003	$	—	$	44,003
Certificates of deposit		17,284		—		17,284
U.S. Treasury securities		18,961		2,874		21,835
U.S. agency securities		8,653		2,048		10,701
Corporate debt securities		36,258		8,980		45,238
Total investments AFS	$	125,159	$	13,902	$	139,061