Marketable Securities - (Tables)

3 Months Ended

Apr. 01, 2023

Marketable Securities [Abstract]

Schedule of Marketable Securities by Category

At April 1, 2023 and December 31, 2022, marketable securities are categorized as follows:

	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Fair Value
April 1, 2023
Municipal notes and bonds	$	170,829	$	71	$	1,467	$	169,433
Asset-backed securities		1,123		—		16		1,107
Certificates of deposit		55,129		16		85		55,060
Commercial paper		71,884		6		106		71,784
Corporate bonds		56,225		79		654		55,650
Total marketable securities	$	355,190	$	172	$	2,328	$	353,034
December 31, 2022
Municipal notes and bonds	$	181,196	$	27	$	2,355	$	178,868
Asset-backed securities		1,555		—		21		1,534
Certificates of deposit		52,190		24		118		52,095
Commercial paper		80,199		16		136		80,079
Corporate bonds		60,334		4		1,003		59,335
Total marketable securities	$	375,474	$	71	$	3,633	$	371,912

Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities Classified by Maturity Date

The amortized cost and estimated fair value of marketable securities classified by the maturity date listed on the security, regardless of the Condensed Consolidated Balance Sheets classification, is as follows at April 1, 2023 and December 31, 2022:

	April 1, 2023				December 31, 2022
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	278,295	$	276,557	$	311,934	$	309,385
Due after one through five years		76,895		76,477		63,540		62,527
Due after five years		—		—		—		—
Total marketable securities	$	355,190	$	353,034	$	375,474	$	371,912

Summary of Estimated Fair Value and Gross Unrealized Holding Losses of Marketable Securities in Unrealized Loss Position

The following table summarizes the estimated fair value and gross unrealized holding losses of marketable securities, aggregated by investment instrument and period of time in an unrealized loss position, at April 1, 2023 and December 31, 2022:

	In Unrealized Loss Position For Less Than 12 Months				In Unrealized Loss Position For Greater Than 12 Months
	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
April 1, 2023
Municipal notes and bonds	$	87,869	$	618	$	68,290	$	849
Asset-backed securities		—		—		1,123		16
Certificates of deposit		28,890		85		—		—
Commercial paper		61,488		106		—		—
Corporate bonds		13,287		148		27,934		506
Total	$	191,534	$	957	$	97,347	$	1,371
December 31, 2022
Municipal notes and bonds	$	96,301	$	1,273	$	69,159	$	1,082
Asset-backed securities		1,555		21		—		—
Certificates of deposit		22,400		118		—		—
Commercial paper		50,550		136		—		—
Corporate bonds		28,975		637		28,769		366
Total	$	199,781	$	2,185	$	97,928	$	1,448