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Restructuring and Integration Expense - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 03, 2022 | Nov. 27, 2021 | Dec. 03, 2022 | Nov. 27, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs | $ 14.7 | $ 0.0 | $ 15.2 | $ 0.0
Knoll Integration |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs | 4.1 | $ 40.2 | 8.7 | 95.8
Knoll Integration | Severance and Employee Benefit |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs |  |  | 1.4 | 46.4
Knoll Integration | Exit and Disposal Activities |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs |  |  | 2.8 |
Knoll Integration | Other Restructuring |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs |  |  | 4.5 | 20.5
Knoll Integration | Non-Cash Asset Impairments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs |  |  |  | 15.5
Knoll Integration | Non-Cash Debt Extinguishment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs |  |  |  | $ 13.4
Knoll Integration | Knoll |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and related cost, expected cost | 140.0 |  | 140.0 |
2023 Restructuring Plan | Severance and Employee Benefit |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Integration costs | $ 14.7 |  | 15.2 |
2023 Restructuring Plan | Severance and Employee Benefit | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost savings |  |  | 30.0 |
2023 Restructuring Plan | Severance and Employee Benefit | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost savings |  |  | $ 35.0 |

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