Marketable Securities - (Tables)

3 Months Ended

Mar. 29, 2025

Marketable Securities [Abstract]

Schedule of Marketable Securities by Category

At March 29, 2025 and December 28, 2024, marketable securities are categorized as follows:

	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses		Fair Value
	(in thousands)
March 29, 2025
Government notes and bonds	$	272,438	$	552	$	109	$	272,881
Certificates of deposit		87,180		52		8		87,224
Commercial paper		151,630		45		24		151,651
Corporate bonds		134,799		345		16		135,128
Total marketable securities	$	646,047	$	994	$	157	$	646,884
December 28, 2024
Government notes and bonds	$	284,763	$	387	$	287	$	284,863
Certificates of deposit		73,390		49		18		73,421
Commercial paper		136,496		103		42		136,557
Corporate bonds		144,331		283		72		144,542
Total marketable securities	$	638,980	$	822	$	419	$	639,383

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, are as follows at March 29, 2025 and December 28, 2024:

	March 29, 2025				December 28, 2024
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(in thousands)
Due within one year	$	453,458	$	453,877	$	432,088	$	432,616
Due after one through five years		169,544		169,962		140,917		140,792
Due after five through ten years		235		235		235		235
Due after ten years		22,810		22,810		65,740		65,740
Total marketable securities	$	646,047	$	646,884	$	638,980	$	639,383

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

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 March 29, 2025 and December 28, 2024:

	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
	(in thousands)
March 29, 2025
Government notes and bonds	$	42,961	$	109	$	—	$	—
Certificates of deposit		26,790		8		—		—
Commercial paper		61,339		24		—		—
Corporate bonds		21,912		16		—		—
Total	$	153,002	$	157	$	—	$	—
December 28, 2024
Government notes and bonds	$	37,636	$	287	$	—	$	—
Certificates of deposit		8,260		18		—		—
Commercial paper		18,317		42		—		—
Corporate bonds		13,260		71		3,200		1
Total	$	77,473	$	418	$	3,200	$	1