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Restructuring, Impairment, and Loss on Divestiture (Tables) | 9 Months Ended
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Sep. 27, 2025
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring and Related Costs |
|  |  |  | Three Months Ended |  | Nine Months Ended
|  | Classification |  | September 27, 2025 |  | September 28, 2024 |  | September 27, 2025 |  | September 28, 2024
Workplace Furnishings |  |  |  |  |  |  |  |  |  |
Facility closure and consolidation costs |  | Cost of sales |  | 0.3 |  |  | 1.8 |  |  | 1.9 |  |  | 2.5 |
Divestiture of HNI India |  | Restructuring, impairment, and loss on divestiture |  | 0.3 |  |  | — |  |  | 6.1 |  |  | — |
Exit costs |  | Restructuring, impairment, and loss on divestiture |  | 0.5 |  |  | 0.5 |  |  | 3.1 |  |  | 2.6 |
Residential Building Products |  |  |  |  |  |  |  |  |  |
Reorganization costs |  | Restructuring, impairment, and loss on divestiture |  | — |  |  | 1.1 |  |  | — |  |  | 1.1 |
General Corporate |  |  |  |  |  |  |  |  |  |
Divestiture of HNI India |  | Restructuring, impairment, and loss on divestiture |  | 0.0 |  |  | — |  |  | 0.6 |  |  | — |
Total |  |  |  | $ | 1.0 |  |  | $ | 3.4 |  |  | $ | 11.6 |  |  | $ | 6.2 |

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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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