Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 27, 2025 USD ($)
Goodwill [Roll Forward]
Goodwill, net, beginning balance	$ 1,112.1
Currency translation	86.6
Goodwill, net, ending balance	1,198.7
Operating Segments
Goodwill [Roll Forward]
Impairment losses	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 losses	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 losses	557.9
Operating Segments | Flooring ROW
Goodwill [Roll Forward]
Goodwill, net, beginning balance	739.8
Currency translation	86.6
Goodwill, net, ending balance	826.4
Impairment losses	$ 684.1