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Restructuring and Integration Expense - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2024 | Dec. 02, 2023 | Nov. 30, 2024 | Dec. 02, 2023 | Jun. 01, 2024
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | $ 0 | $ 1,800,000 | $ 0 | $ 7,000,000.0 |
Assets held for sale | 3,200,000 |  | 3,200,000 |  | $ 3,500,000
Knoll Integration |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expenses incurred to-date | 144,400,000 |  | 144,400,000 |  |
Restructuring and related cost, expected cost | 0 |  | 0 |  |
Restructuring expense | $ 0 | 6,900,000 | 28,300,000 | 10,800,000 |
Knoll Integration | Exit and Disposal Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense |  | 5,300,000 | 25,800,000 | 8,700,000 |
Knoll Integration | Other Restructuring |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense |  | $ 1,600,000 | 2,500,000 | $ 2,100,000 |
2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense |  |  | 0 |  | 30,800,000
Restructuring costs expected |  |  |  |  | $ 0
2024 Restructuring Plan | Exit and Disposal Activities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense |  |  | $ 0 |  |

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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