Revenue from Contracts with Customers - Schedule of Segment Revenues Disaggregated By Geography and Product Line (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 2,757.9	$ 2,719.0	$ 8,085.7	$ 8,199.7
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,085.9	1,047.0	3,163.5	3,190.8
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	958.0	995.6	2,825.9	2,909.6
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	448.6	423.6	1,288.1	1,291.1
Other
Disaggregation of Revenue [Line Items]
Net sales	265.4	252.8	808.2	808.2
United States
Disaggregation of Revenue [Line Items]
Net sales	1,491.7	1,512.8	4,390.9	4,471.2
Europe
Disaggregation of Revenue [Line Items]
Net sales	853.2	774.1	2,507.4	2,440.9
Latin America
Disaggregation of Revenue [Line Items]
Net sales	191.4	186.4	532.6	575.0
Other
Disaggregation of Revenue [Line Items]
Net sales	221.6	245.7	654.8	712.6
Operating Segments | Global Ceramic
Disaggregation of Revenue [Line Items]
Net sales	1,104.7	1,058.0	3,219.3	3,218.4
Operating Segments | Global Ceramic | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,085.9	1,043.0	3,163.5	3,174.8
Operating Segments | Global Ceramic | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	18.8	15.0	55.8	43.6
Operating Segments | Global Ceramic | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Segments | Global Ceramic | United States
Disaggregation of Revenue [Line Items]
Net sales	573.2	568.0	1,707.0	1,721.7
Operating Segments | Global Ceramic | Europe
Disaggregation of Revenue [Line Items]
Net sales	305.3	268.9	877.9	816.3
Operating Segments | Global Ceramic | Latin America
Disaggregation of Revenue [Line Items]
Net sales	181.3	175.1	502.2	542.6
Operating Segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	44.9	46.0	132.2	137.8
Operating Segments | Flooring NA
Disaggregation of Revenue [Line Items]
Net sales	936.8	974.0	2,746.0	2,832.7
Operating Segments | Flooring NA | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	4.0	0.0	16.0
Operating Segments | Flooring NA | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	729.1	763.9	2,154.4	2,211.4
Operating Segments | Flooring NA | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	207.7	206.1	591.6	605.3
Operating Segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Segments | Flooring NA | United States
Disaggregation of Revenue [Line Items]
Net sales	915.2	943.0	2,674.9	2,743.3
Operating Segments | Flooring NA | Europe
Disaggregation of Revenue [Line Items]
Net sales	0.5	1.4	2.1	2.8
Operating Segments | Flooring NA | Latin America
Disaggregation of Revenue [Line Items]
Net sales	2.0	1.4	3.9	3.4
Operating Segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	19.1	28.2	65.1	83.2
Operating Segments | Flooring ROW
Disaggregation of Revenue [Line Items]
Net sales	716.4	687.0	2,120.4	2,148.6
Operating Segments | Flooring ROW | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Operating Segments | Flooring ROW | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	210.1	216.7	615.7	654.6
Operating Segments | Flooring ROW | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	240.9	217.5	696.5	685.8
Operating Segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	265.4	252.8	808.2	808.2
Operating Segments | Flooring ROW | United States
Disaggregation of Revenue [Line Items]
Net sales	3.3	1.8	9.0	6.2
Operating Segments | Flooring ROW | Europe
Disaggregation of Revenue [Line Items]
Net sales	547.4	503.8	1,627.4	1,621.8
Operating Segments | Flooring ROW | Latin America
Disaggregation of Revenue [Line Items]
Net sales	8.1	9.9	26.5	29.0
Operating Segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 157.6	$ 171.5	$ 457.5	$ 491.6