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Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
	Apr. 04, 2026 USD ($)
Goodwill [Roll Forward]
Goodwill, net, beginning balance	$ 1,210.3
Goodwill recognized	0.1
Currency translation	(14.5)
Goodwill, net, ending balance	1,195.9
Operating Segments
Goodwill [Roll Forward]
Impairment losses	2,886.7
Operating Segments | Global Ceramic
Goodwill [Roll Forward]
Goodwill, net, beginning balance	0.0
Goodwill recognized	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	379.9
Goodwill recognized	0.1
Currency translation	0.0
Goodwill, net, ending balance	380.0
Impairment losses	557.9
Operating Segments | Flooring ROW
Goodwill [Roll Forward]
Goodwill, net, beginning balance	830.4
Goodwill recognized	0.0
Currency translation	(14.5)
Goodwill, net, ending balance	815.9
Impairment losses	$ 684.1

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