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Restructuring Costs (Tables) | 12 Months Ended
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Dec. 27, 2019
Restructuring And Related Activities [Abstract] |
Schedule of Activity in Restructuring Expense Accruals | The following table sets forth the activity in the restructuring expense accruals in fiscal 2017, 2018 and 2019 (in thousands):
|  |  |  |  |  |  | Exit, Closure and |  |  |  |  |  |
|  | Severance and Other |  |  |  | Consolidation |  |  |  |  |  |
|  | Employee Costs |  |  |  | of Facilities |  |  |  | Total |
Accrual balance at December 29, 2017 | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |
Additions |  |  | — |  |  |  |  | — |  |  |  |  | — |
Expenditures |  |  | — |  |  |  |  | — |  |  |  |  | — |
Accrual balance at December 28, 2018 | $ |  | — |  |  | $ |  | — |  |  | $ |  | — |
Additions |  |  | 2,912 |  |  |  | 422 |  |  |  |  | 3,334 |
Expenditures |  |  | (1,665 | ) |  |  |  | (85 | ) |  |  |  | (1,750 | )
Accrual balance at December 27, 2019 | $ |  | 1,247 |  |  | $ |  | 337 |  |  | $ |  | 1,584 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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