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Held for Sale - Narrative (Details) - Discontinued Operations, Held-for-Sale - HNI India - USD ($) $ in Millions | Apr. 30, 2025 | Mar. 29, 2025 | Dec. 28, 2024
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Valuation allowance to adjust assets to estimated fair value, less costs of sale |  | $ 6.0 |
Property, plant & equipment |  | 4.1 |
Manufacturing Facility |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Property, plant & equipment |  | $ 2.0 | $ 4.9
Subsequent Event |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash proceeds related to sale | $ 10.0 |  |

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