Revenue from Contracts with Customers - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 2,802.1	$ 2,801.3	$ 5,327.9	$ 5,480.7
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,101.5	1,105.8	2,077.5	2,143.9
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	979.8	987.0	1,868.3	1,913.9
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	447.8	441.0	839.4	867.4
Other
Disaggregation of Revenue [Line Items]
Net sales	273.0	267.5	542.7	555.5
United States
Disaggregation of Revenue [Line Items]
Net sales	1,518.8	1,526.8	2,899.1	2,958.6
Europe
Disaggregation of Revenue [Line Items]
Net sales	880.1	845.0	1,654.3	1,666.7
Latin America
Disaggregation of Revenue [Line Items]
Net sales	178.5	192.7	341.2	388.7
Other
Disaggregation of Revenue [Line Items]
Net sales	224.7	236.8	433.3	466.7
Operating segments | Global Ceramic
Disaggregation of Revenue [Line Items]
Net sales	1,120.9	1,115.6	2,114.7	2,160.4
Operating segments | Global Ceramic | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,101.5	1,099.7	2,077.5	2,131.9
Operating segments | Global Ceramic | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	19.4	15.9	37.2	28.5
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	591.0	593.4	1,133.8	1,153.7
Operating segments | Global Ceramic | Europe
Disaggregation of Revenue [Line Items]
Net sales	318.4	291.9	572.6	547.4
Operating segments | Global Ceramic | Latin America
Disaggregation of Revenue [Line Items]
Net sales	167.4	182.5	320.9	367.6
Operating segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	44.1	47.8	87.4	91.7
Operating segments | Flooring NA
Disaggregation of Revenue [Line Items]
Net sales	946.8	958.5	1,809.2	1,858.7
Operating segments | Flooring NA | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	6.1	0.0	12.0
Operating segments | Flooring NA | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	747.9	747.4	1,425.4	1,447.5
Operating segments | Flooring NA | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	198.9	205.0	383.8	399.2
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	924.2	930.6	1,759.7	1,800.4
Operating segments | Flooring NA | Europe
Disaggregation of Revenue [Line Items]
Net sales	1.3	0.7	1.7	1.3
Operating segments | Flooring NA | Latin America
Disaggregation of Revenue [Line Items]
Net sales	1.2	1.0	1.9	2.0
Operating segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	20.1	26.2	45.9	55.0
Operating segments | Flooring ROW
Disaggregation of Revenue [Line Items]
Net sales	734.4	727.2	1,404.0	1,461.6
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	212.5	223.7	405.7	437.9
Operating segments | Flooring ROW | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	248.9	236.0	455.6	468.2
Operating segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	273.0	267.5	542.7	555.5
Operating segments | Flooring ROW | United States
Disaggregation of Revenue [Line Items]
Net sales	3.6	2.8	5.6	4.5
Operating segments | Flooring ROW | Europe
Disaggregation of Revenue [Line Items]
Net sales	560.4	552.4	1,080.0	1,118.0
Operating segments | Flooring ROW | Latin America
Disaggregation of Revenue [Line Items]
Net sales	9.9	9.2	18.4	19.1
Operating segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 160.5	$ 162.8	$ 300.0	$ 320.0