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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 01, 2023 | Jul. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Oct. 31, 2021 | Dec. 30, 2023 | Dec. 30, 2023 | Sep. 12, 2023 | May 31, 2023 | Jul. 20, 2022
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in goodwill |  |  |  |  |  | $ (24.6) |  |  |  |
Poppin |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  | $ 2.7 |  |
Poppin | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Inventories, net |  |  |  |  |  |  |  | 9.7 |  |
Prepaid expenses and other current assets |  |  |  |  |  |  |  | 3.1 |  |
Accounts payable and accrued expenses |  |  |  |  |  |  |  | 7.0 |  |
Current lease obligations - Operating |  |  |  |  |  |  |  | $ 3.0 |  |
Lamex | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  | $ 5.5
Inventories, net |  |  |  |  |  |  |  |  |  | 6.9
Prepaid expenses and other current assets |  |  |  |  |  |  |  |  |  | 6.4
Accounts payable and accrued expenses |  |  |  |  |  |  |  |  |  | 36.1
Current lease obligations - Operating |  |  |  |  |  |  |  |  |  | $ 1.7
Consideration |  | $ 75.0 |  |  |  |  |  |  |  |
Gain on sale |  | 50.4 |  |  |  |  |  |  |  |
Transaction-related expenses |  | 6.0 |  |  |  |  |  |  |  |
Foreign currency translation benefit |  | $ 3.3 |  |  |  |  |  |  |  |
Dickerson Heart Products |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for asset acquisitions |  |  | $ 8.0 |  |  |  |  |  |  |
Goodwill acquired (disposed) / measurement period adjustments |  |  | $ 7.6 |  |  |  |  |  |  |
Outdoor Greatroom Company |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for asset acquisitions |  |  |  | $ 15.0 |  |  |  |  |  |
Trinity Fireside |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for asset acquisitions |  |  |  |  | $ 31.0 |  |  |  |  |
Kimball International, Inc |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Percent held by acquiree shareholders | 10.00% |  |  |  |  |  |  |  |  |
Transaction expenses |  |  |  |  |  |  | $ 41.2 |  |  |
Share price (in dollars per share) | $ 9.00 |  |  |  |  |  |  |  |  |
Number of shares issued per acquiree share (in shares) | 0.1301 |  |  |  |  |  |  |  |  |
Share price (in dollars per share) |  |  |  |  |  |  |  |  | $ 25.50 |
Total acquisition date fair value of purchase consideration | $ 503.7 |  |  |  |  |  |  |  |  |
Kimball International, Inc | Workplace Furnishings |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction expenses |  |  |  |  |  |  | 12.5 |  |  |
Kimball International, Inc | General Corporate |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction expenses |  |  |  |  |  |  | $ 28.6 |  |  |
Kimball International, Inc | Long-Term Debt |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction costs | 2.8 |  |  |  |  |  |  |  |  |
Kimball International, Inc | Other Noncurrent Assets |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction costs | 0.2 |  |  |  |  |  |  |  |  |
Kimball International, Inc | Additional Paid-in Capital |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Transaction costs | $ 0.3 |  |  |  |  |  |  |  |  |

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