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Marketable Securities - (Tables)
 9 Months Ended
Sep. 28, 2024
Marketable Securities [Abstract]  
Schedule of Marketable Securities by Category

At September 28, 2024 and December 30, 2023, marketable securities are categorized as follows:

 

 

 

Amortized Cost

 

 

Gross Unrealized Holding Gains

 

 

Gross Unrealized Holding Losses

 

 

Fair Value

 

September 28, 2024

 

 

 

 

 

 

 

 

 

 

 

 

Government notes and bonds

 

$

286,447

 

 

$

1,064

 

 

$

2

 

 

$

287,509

 

Certificates of deposit

 

 

75,320

 

 

 

115

 

 

 

—

 

 

 

75,435

 

Commercial paper

 

 

157,641

 

 

 

278

 

 

 

4

 

 

 

157,915

 

Corporate bonds

 

 

145,028

 

 

 

788

 

 

 

9

 

 

 

145,807

 

Total marketable securities

 

$

664,436

 

 

$

2,245

 

 

$

15

 

 

$

666,666

 

December 30, 2023

 

 

 

 

 

 

 

 

 

 

 

 

Government notes and bonds

 

$

195,733

 

 

$

393

 

 

$

326

 

 

$

195,800

 

Certificates of deposit

 

 

67,377

 

 

 

93

 

 

 

3

 

 

 

67,467

 

Commercial paper

 

 

99,591

 

 

 

54

 

 

 

10

 

 

 

99,635

 

Corporate bonds

 

 

101,146

 

 

 

391

 

 

 

136

 

 

 

101,401

 

Total marketable securities

 

$

463,847

 

 

$

931

 

 

$

475

 

 

$

464,303

 
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 September 28, 2024 and December 30, 2023:

 

 

 

September 28, 2024

 

 

December 30, 2023

 

 

 

Amortized Cost

 

 

Fair Value

 

 

Amortized Cost

 

 

Fair Value

 

Due within one year

 

$

481,132

 

 

$

482,238

 

 

$

331,136

 

 

$

330,937

 

Due after one through five years

 

 

135,329

 

 

 

136,453

 

 

 

132,711

 

 

 

133,366

 

Due after five through ten years

 

 

235

 

 

 

235

 

 

 

—

 

 

 

—

 

Due after ten years

 

 

47,740

 

 

 

47,740

 

 

 

—

 

 

 

—

 

Total marketable securities

 

$

664,436

 

 

$

666,666

 

 

$

463,847

 

 

$

464,303

 
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 September 28, 2024 and December 30, 2023:

 

 

 

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

 

September 28, 2024

 

 

 

 

 

 

 

 

 

 

 

 

Government notes and bonds

 

$

12,439

 

 

$

1

 

 

$

1,996

 

 

$

1

 

Certificates of deposit

 

 

4,360

 

 

 

—

 

 

 

—

 

 

 

—

 

Commercial paper

 

 

20,624

 

 

 

4

 

 

 

—

 

 

 

—

 

Corporate bonds

 

 

16,930

 

 

 

7

 

 

 

6,700

 

 

 

2

 

Total

 

$

54,353

 

 

$

12

 

 

$

8,696

 

 

$

3

 

December 30, 2023

 

 

 

 

 

 

 

 

 

 

 

 

Government notes and bonds

 

$

82,776

 

 

$

325

 

 

$

180

 

 

$

1

 

Certificates of deposit

 

 

11,839

 

 

 

3

 

 

 

—

 

 

 

—

 

Commercial paper

 

 

20,121

 

 

 

10

 

 

 

—

 

 

 

—

 

Corporate bonds

 

 

20,268

 

 

 

103

 

 

 

5,999

 

 

 

33

 

Total

 

$

135,004

 

 

$

441

 

 

$

6,179

 

 

$

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