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Marketable Securities (Tables)
 3 Months Ended
Mar. 28, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Marketable Securities Classified as Available-for-sale Securities

Marketable securities classified as available-for-sale securities are summarized below:

 

 

 

Available-For-Sale Securities
as of March 28, 2026

 

 

 

Fair Value Level

 

Amortized Cost

 

 

Gross Unrealized
Gains

 

 

Gross Unrealized
Losses

 

 

Fair Value

 

U.S. Treasury securities

 

Level 2

 

$

11,335

 

 

$

24

 

 

$

(122

)

 

$

11,237

 

Agency securities

 

Level 2

 

 

91,680

 

 

 

18

 

 

 

(1,050

)

 

 

90,648

 

Mortgage-backed securities

 

Level 2

 

 

83,834

 

 

 

66

 

 

 

(1,631

)

 

 

82,269

 

Corporate debt securities

 

Level 2

 

 

1,643,629

 

 

 

5,986

 

 

 

(14,278

)

 

 

1,635,337

 

Municipal securities

 

Level 2

 

 

204,661

 

 

 

280

 

 

 

(2,127

)

 

 

202,814

 

Other

 

Level 2

 

 

1,080

 

 

 

—

 

 

 

(28

)

 

 

1,052

 

Total

 

 

 

$

2,036,219

 

 

$

6,374

 

 

$

(19,236

)

 

$

2,023,357

 

 

 

 

Available-For-Sale Securities
as of December 27, 2025

 

 

 

Fair Value Level

 

Amortized Cost

 

 

Gross Unrealized
Gains

 

 

Gross Unrealized
Losses

 

 

Fair Value

 

U.S. Treasury securities

 

Level 2

 

$

11,310

 

 

$

54

 

 

$

(3

)

 

$

11,361

 

Agency securities

 

Level 2

 

 

79,794

 

 

 

63

 

 

 

(316

)

 

 

79,541

 

Mortgage-backed securities

 

Level 2

 

 

86,251

 

 

 

567

 

 

 

(1,508

)

 

 

85,310

 

Corporate debt securities

 

Level 2

 

 

1,454,326

 

 

 

12,809

 

 

 

(4,624

)

 

 

1,462,511

 

Municipal securities

 

Level 2

 

 

217,629

 

 

 

675

 

 

 

(2,201

)

 

 

216,103

 

Other

 

Level 2

 

 

1,346

 

 

 

—

 

 

 

(41

)

 

 

1,305

 

Total

 

 

 

$

1,850,656

 

 

$

14,168

 

 

$

(8,693

)

 

$

1,856,131

 
Schedule of Gross Unrealized Losses and Fair Value by Major Security Type

The following tables display additional information regarding gross unrealized losses and fair value by major security type for available-for-sale securities in an unrealized loss position as of March 28, 2026 and December 27, 2025.

 

 

 

As of March 28, 2026

 

 

 

Less than 12 Consecutive Months

 

 

12 Consecutive Months or Longer

 

 

Total

 

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Gross Unrealized Losses

 

 

Fair Value

 

U.S. Treasury securities

 

$

(122

)

 

$

7,863

 

 

$

—

 

 

$

—

 

 

$

(122

)

 

$

7,863

 

Agency securities

 

 

(994

)

 

 

72,696

 

 

 

(56

)

 

 

6,944

 

 

 

(1,050

)

 

 

79,640

 

Mortgage-backed securities

 

 

(220

)

 

 

57,073

 

 

 

(1,411

)

 

 

13,673

 

 

 

(1,631

)

 

 

70,746

 

Corporate debt securities

 

 

(11,904

)

 

 

804,398

 

 

 

(2,374

)

 

 

216,935

 

 

 

(14,278

)

 

 

1,021,333

 

Municipal securities

 

 

(899

)

 

 

48,909

 

 

 

(1,228

)

 

 

114,573

 

 

 

(2,127

)

 

 

163,482

 

Other

 

 

—

 

 

 

—

 

 

 

(28

)

 

 

1,052

 

 

 

(28

)

 

 

1,052

 

Total

 

$

(14,139

)

 

$

990,939

 

 

$

(5,097

)

 

$

353,177

 

 

$

(19,236

)

 

$

1,344,116

 

 

 

 

As of December 27, 2025

 

 

 

Less than 12 Consecutive Months

 

 

12 Consecutive Months or Longer

 

 

Total

 

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

Gross Unrealized Losses

 

 

Fair Value

 

U.S. Treasury securities

 

$

(3

)

 

$

7,981

 

 

$

—

 

 

$

—

 

 

$

(3

)

 

$

7,981

 

Agency securities

 

 

(217

)

 

 

54,089

 

 

 

(99

)

 

 

6,900

 

 

 

(316

)

 

 

60,989

 

Mortgage-backed securities

 

 

(193

)

 

 

15,074

 

 

 

(1,315

)

 

 

14,664

 

 

 

(1,508

)

 

 

29,738

 

Corporate debt securities

 

 

(1,469

)

 

 

222,514

 

 

 

(3,155

)

 

 

301,363

 

 

 

(4,624

)

 

 

523,877

 

Municipal securities

 

 

(193

)

 

 

11,094

 

 

 

(2,008

)

 

 

147,899

 

 

 

(2,201

)

 

 

158,993

 

Other

 

 

(2

)

 

 

301

 

 

 

(39

)

 

 

1,004

 

 

 

(41

)

 

 

1,305

 

Total

 

$

(2,077

)

 

$

311,053

 

 

$

(6,616

)

 

$

471,830

 

 

$

(8,693

)

 

$

782,883

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

The amortized cost and fair value of marketable securities at March 28, 2026, by maturity, are shown below.

 

 

 

Amortized Cost

 

 

Fair Value

 

Due in one year or less

 

$

413,705

 

 

$

411,034

 

Due after one year through five years

 

 

1,561,918

 

 

 

1,554,300

 

Due after five years through ten years

 

 

56,021

 

 

 

54,208

 

Due after ten years

 

 

4,575

 

 

 

3,815

 

Total

 

$

2,036,219

 

 

$

2,023,357