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Restructuring Costs (Tables) | 9 Months Ended
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Sep. 27, 2025
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring and Related Costs | The following table provides a summary of the Company’s restructuring costs during the three and nine months ended September 27, 2025 and September 28, 2024 (in thousands):
| Three Months Ended |  | Nine Months Ended
| September 27, 2025 |  | September 28, 2024 |  | September 27, 2025 |  | September 28, 2024
Cash restructuring costs: |  |  |  |  |  |  |
Contract termination costs (1) | $5,878 |  | $300 |  | $7,173 |  | $4,483
Severance and employee-related benefits | 2,923 |  | 1,663 |  | 9,415 |  | 2,905
Professional fees and other | 801 |  | — |  | 818 |  | 4,494
Total cash restructuring costs | 9,602 |  | 1,963 |  | 17,406 |  | 11,882
Non-cash restructuring costs: |  |  |  |  |  |  |
Asset impairments (2) | 29,552 |  | — |  | 30,140 |  | 2,500
Total restructuring costs | $39,154 |  | $1,963 |  | $47,546 |  | $14,382
____________________ (1) Primarily comprised of strategic-development partner contract termination costs and lease termination costs. (2) Primarily comprised of impairments of strategic-development partner l ong-lived assets, right-of-use assets and property and equipment. The following table provides the activity in the Company’s restructuring related liabilities, which are included within accounts payable, compensation and benefits and other current liabilities on the condensed consolidated balance sheet (in thousands):
| September 27, 2025 |  | December 28, 2024
Balance at the beginning of year | $3,341 |  | $8,720
Expenses | 17,406 |  | 14,888
Cash payments | (12,735) |  | (20,267)
Balance at the end of the period | $8,012 |  | $3,341
Since the initiation of cost reduction actions in the fourth quarter of 2023, the Company has recognized a cumulative $81.3 million of restructuring costs, as follows (in thousands):
|  | Cumulative
|  | September 27, 2025
Cash restructuring costs: |  |
Contract termination costs (1) |  | $21,610
Severance and employee-related benefits |  | 17,608
Professional fees and other |  | 6,562
Total cash restructuring costs |  | 45,780
Non-cash restructuring costs: |  |
Asset impairments (2) |  | 35,560
Total restructuring costs |  | $81,340
____________________ (1)Primarily comprised of strategic-development partner contract termination costs and lease termination costs. (2) Primarily comprised of impairments of strategic-development partner long-lived assets, right-of-use assets and property and equipment.

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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