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Restructuring and Impairment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 01, 2023 | Jul. 02, 2022 | Jul. 01, 2023 | Jul. 02, 2022 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | $ 7.8 | $ 1.2 | $ 8.3 | $ 1.4 |
Restructuring reserve | 6.3 |  | 6.3 |  | $ 0.5
Inventory valuation | Workplace furnishings |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | (0.4) | 0.1 | (0.3) | 0.2 |
Facility set-up costs | Workplace furnishings |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | 0.2 | 0.1 | 0.5 | 0.2 |
Long-lived asset impairments | Workplace furnishings |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | 2.1 | 0.0 | 2.1 | 0.0 |
Exit costs | Workplace furnishings |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | 6.0 | 0.0 | 6.0 | 0.0 |
Investment impairment | General Corporate |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring costs | $ 0.0 | $ 1.0 | $ 0.0 | $ 1.0 |

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