Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 28, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, net, beginning balance	$ 1,112.1
Currency translation	89.0
Goodwill, net, ending balance	1,201.1
Operating segments
Goodwill [Roll Forward]
Impairment loss	2,886.7
Operating segments | Global Ceramic
Goodwill [Roll Forward]
Goodwill, net, beginning balance	0.0
Currency translation	0.0
Goodwill, net, ending balance	0.0
Impairment loss	1,644.7
Operating segments | Flooring NA
Goodwill [Roll Forward]
Goodwill, net, beginning balance	372.3
Currency translation	0.0
Goodwill, net, ending balance	372.3
Impairment loss	557.9
Operating segments | Flooring ROW
Goodwill [Roll Forward]
Goodwill, net, beginning balance	739.8
Currency translation	89.0
Goodwill, net, ending balance	828.8
Impairment loss	$ 684.1