Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 10,785.4	$ 10,836.9	$ 11,135.1
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	4,220.1	4,185.3	4,293.1
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	3,734.8	3,866.5	3,955.3
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	1,752.3	1,728.9	1,732.6
Other
Disaggregation of Revenue [Line Items]
Net sales	1,078.2	1,056.2	1,154.1
United States
Disaggregation of Revenue [Line Items]
Net sales	5,813.9	5,939.5	6,040.0
Europe
Disaggregation of Revenue [Line Items]
Net sales	3,366.6	3,194.3	3,381.0
Latin America
Disaggregation of Revenue [Line Items]
Net sales	728.0	750.5	767.8
Other
Disaggregation of Revenue [Line Items]
Net sales	876.9	952.6	946.3
Operating segments | Global Ceramic
Disaggregation of Revenue [Line Items]
Net sales	4,289.4	4,226.6	4,300.1
Operating segments | Global Ceramic | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	4,220.1	4,166.2	4,258.9
Operating segments | Global Ceramic | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	69.3	60.4	41.2
Operating segments | Global Ceramic | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Operating segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Operating segments | Global Ceramic | United States
Disaggregation of Revenue [Line Items]
Net sales	2,255.4	2,280.1	2,320.0
Operating segments | Global Ceramic | Europe
Disaggregation of Revenue [Line Items]
Net sales	1,173.5	1,058.3	1,071.7
Operating segments | Global Ceramic | Latin America
Disaggregation of Revenue [Line Items]
Net sales	685.7	707.7	730.3
Operating segments | Global Ceramic | Other
Disaggregation of Revenue [Line Items]
Net sales	174.8	180.5	178.1
Operating segments | Flooring NA
Disaggregation of Revenue [Line Items]
Net sales	3,638.5	3,769.9	3,829.4
Operating segments | Flooring NA | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	19.1	34.2
Operating segments | Flooring NA | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	2,842.7	2,941.3	3,021.1
Operating segments | Flooring NA | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	795.8	809.5	774.1
Operating segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Operating segments | Flooring NA | United States
Disaggregation of Revenue [Line Items]
Net sales	3,544.7	3,650.7	3,713.3
Operating segments | Flooring NA | Europe
Disaggregation of Revenue [Line Items]
Net sales	3.1	4.1	4.4
Operating segments | Flooring NA | Latin America
Disaggregation of Revenue [Line Items]
Net sales	5.3	5.6	3.8
Operating segments | Flooring NA | Other
Disaggregation of Revenue [Line Items]
Net sales	85.4	109.5	107.9
Operating segments | Flooring ROW
Disaggregation of Revenue [Line Items]
Net sales	2,857.5	2,840.4	3,005.6
Operating segments | Flooring ROW | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Operating segments | Flooring ROW | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	822.8	864.8	893.0
Operating segments | Flooring ROW | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	956.5	919.4	958.5
Operating segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	1,078.2	1,056.2	1,154.1
Operating segments | Flooring ROW | United States
Disaggregation of Revenue [Line Items]
Net sales	13.8	8.7	6.7
Operating segments | Flooring ROW | Europe
Disaggregation of Revenue [Line Items]
Net sales	2,190.0	2,131.9	2,304.9
Operating segments | Flooring ROW | Latin America
Disaggregation of Revenue [Line Items]
Net sales	37.0	37.2	33.7
Operating segments | Flooring ROW | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 616.7	$ 662.6	$ 660.3