Revenue from Contracts with Customers - Schedule of Segment Revenues Disaggregated By Geography and Product Line (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 04, 2026	Mar. 29, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 2,728.7	$ 2,525.8
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,081.5	976.0
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	898.2	888.3
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	448.4	391.7
Other
Disaggregation of Revenue [Line Items]
Net sales	300.6	269.8
United States
Disaggregation of Revenue [Line Items]
Net sales	1,440.3	1,380.3
Europe
Disaggregation of Revenue [Line Items]
Net sales	889.0	774.2
Latin America
Disaggregation of Revenue [Line Items]
Net sales	184.5	162.7
Other
Disaggregation of Revenue [Line Items]
Net sales	214.9	208.6
Operating Segments | Global Ceramic
Disaggregation of Revenue [Line Items]
Net sales	1,097.4	993.8
Operating Segments | Global Ceramic | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,081.5	976.0
Operating Segments | Global Ceramic | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	15.9	17.8
Operating Segments | Global Ceramic | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0
Operating Segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0
Operating Segments | Global Ceramic | United States
Disaggregation of Revenue [Line Items]
Net sales	582.3	542.8
Operating Segments | Global Ceramic | Europe
Disaggregation of Revenue [Line Items]
Net sales	298.7	254.2
Operating Segments | Global Ceramic | Latin America
Disaggregation of Revenue [Line Items]
Net sales	171.9	153.5
Operating Segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	44.5	43.3
Operating Segments | Flooring NA
Disaggregation of Revenue [Line Items]
Net sales	880.0	862.4
Operating Segments | Flooring NA | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0
Operating Segments | Flooring NA | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	676.5	677.4
Operating Segments | Flooring NA | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	203.5	185.0
Operating Segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0
Operating Segments | Flooring NA | United States
Disaggregation of Revenue [Line Items]
Net sales	853.7	835.5
Operating Segments | Flooring NA | Europe
Disaggregation of Revenue [Line Items]
Net sales	1.2	0.4
Operating Segments | Flooring NA | Latin America
Disaggregation of Revenue [Line Items]
Net sales	1.7	0.7
Operating Segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	23.4	25.8
Operating Segments | Flooring ROW
Disaggregation of Revenue [Line Items]
Net sales	751.3	669.6
Operating Segments | Flooring ROW | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0
Operating Segments | Flooring ROW | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	205.8	193.1
Operating Segments | Flooring ROW | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	244.9	206.7
Operating Segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	300.6	269.8
Operating Segments | Flooring ROW | United States
Disaggregation of Revenue [Line Items]
Net sales	4.3	2.0
Operating Segments | Flooring ROW | Europe
Disaggregation of Revenue [Line Items]
Net sales	589.1	519.6
Operating Segments | Flooring ROW | Latin America
Disaggregation of Revenue [Line Items]
Net sales	10.9	8.5
Operating Segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 147.0	$ 139.5