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Restructuring and Impairment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Jan. 01, 2022 | Jan. 02, 2021
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | $ 15.5 | $ 14.0 | $ 38.8
Restructuring reserve | 0.5 | 0.5 |
Inventory valuation | Workplace Furnishings |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 8.1 | 7.4 | 0.0
Facility set-up costs | Workplace Furnishings |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 0.7 | 0.2 | 0.0
Long-lived asset disposal and impairment | Workplace Furnishings |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 5.2 | 0.0 | 0.0
Severance | Workplace Furnishings |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 0.5 | 0.2 | 0.0
Severance | General Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 0.0 | 0.3 | 0.0
Goodwill and intangible asset impairment | Workplace Furnishings |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 0.0 | 5.8 | 38.8
Investment impairment | General Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | $ 1.0 | $ 0.0 | $ 0.0

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