v3.26.1
Reportable Segment Information - Schedule of Reportable Segment Data (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Segment Reporting [Line Items]        
Net sales $ 1,472.4 $ 667.1 $ 2,819.9 $ 1,266.8
Cost of Sales: 825.2 380.9 1,672.8 742.3
Selling and Administrative Expenses: 533.0 215.5 1,047.9 423.1
Acquisition and related costs 4.2 0.0 7.8 0.0
Restructuring, Impairment, and Loss on Divestiture: 17.9 2.5 35.9 8.9
Operating Income (Loss): 92.1 68.2 55.7 92.6
Other Non-Operating Income, Net 2.8 0.0 4.3 0.0
Interest Expense, Net 23.7 6.1 44.4 11.7
Income Before Income Taxes 71.2 62.0 15.5 80.9
Depreciation and Amortization Expense: 66.2 25.0 141.4 50.5
Capital Expenditures (including capitalized software): 29.0 15.0 64.7 31.2
Workplace furnishings        
Segment Reporting [Line Items]        
Net sales 1,323.7 516.0 2,509.2 957.0
Residential building products        
Segment Reporting [Line Items]        
Net sales 148.7 151.1 310.8 309.8
Operating segments | Workplace furnishings        
Segment Reporting [Line Items]        
Net sales 1,323.7 516.0 2,509.2 957.0
Cost of Sales: 753.0 298.4 1,514.1 571.7
Selling and Administrative Expenses: 456.1 149.7 898.4 293.1
Acquisition and related costs 1.9 0.0 8.5 0.0
Restructuring, Impairment, and Loss on Divestiture: 11.1 2.0 29.1 8.4
Operating Income (Loss): 101.7 65.8 59.1 83.8
Depreciation and Amortization Expense: 57.8 16.3 124.4 33.4
Capital Expenditures (including capitalized software): 25.3 9.9 54.8 20.8
Operating segments | Residential building products        
Segment Reporting [Line Items]        
Net sales 148.7 151.1 310.8 309.8
Cost of Sales: 72.2 82.4 158.8 170.6
Selling and Administrative Expenses: 46.6 45.0 93.7 90.6
Restructuring, Impairment, and Loss on Divestiture: 6.5 0.0 6.5 0.0
Operating Income (Loss): 23.4 23.7 51.9 48.6
Depreciation and Amortization Expense: 3.9 3.7 7.7 7.3
Capital Expenditures (including capitalized software): 2.5 2.3 5.8 5.5
General corporate        
Segment Reporting [Line Items]        
Selling and Administrative Expenses: 30.4 20.7 55.8 39.3
Acquisition and related costs 2.3 0.0 (0.7) 0.0
Restructuring, Impairment, and Loss on Divestiture: 0.3 0.6 0.3 0.6
Operating Income (Loss): (33.0) (21.3) (55.3) (39.9)
Depreciation and Amortization Expense: 4.5 4.9 9.2 9.8
Capital Expenditures (including capitalized software): $ 1.2 $ 2.9 $ 4.1 $ 4.9