v3.26.1
Acquisitions and Divestitures - Schedule of Results of Operations (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Business Combination [Line Items]        
Acquisition and related costs $ 4.2 $ 0.0 $ 7.8 $ 0.0
Net sales 1,472.4 667.1 2,819.9 1,266.8
Net loss 0.0 $ 0.0 0.0 $ 0.0
Steelcase Inc        
Business Combination [Line Items]        
Acquisition and related costs 11.3   19.9  
Purchase accounting adjustments 21.9   86.1  
Net sales 806.9   1,580.8  
Net loss $ (11.6)   $ (71.3)