Goodwill and Other Intangible Assets - Schedule of Activity in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jul. 04, 2026 |
Jan. 03, 2026 |
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| Goodwill [Line Items] | ||
| Goodwill | $ 898.0 | $ 1,022.7 |
| Accumulated impairment losses | (64.7) | (64.7) |
| Goodwill, net | 833.3 | 958.0 |
| Goodwill measurement period adjustments | (124.7) | |
| Workplace Furnishings | ||
| Goodwill [Line Items] | ||
| Goodwill | 675.6 | 800.3 |
| Accumulated impairment losses | (64.6) | (64.6) |
| Goodwill, net | 611.0 | 735.7 |
| Goodwill measurement period adjustments | (124.7) | |
| Residential Building Products | ||
| Goodwill [Line Items] | ||
| Goodwill | 222.4 | 222.4 |
| Accumulated impairment losses | (0.1) | (0.1) |
| Goodwill, net | 222.3 | $ 222.3 |
| Goodwill measurement period adjustments | $ 0.0 |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Includes amount, before amortization expense and impairment loss, of goodwill for private company. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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