Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 2,641,764	$ 2,574,870	$ 2,049,800	$ 2,285,763	$ 2,424,512	$ 2,519,185	$ 2,584,485	$ 2,442,490	$ 9,552,197	$ 9,970,672	$ 9,983,634
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales									3,457,203	3,686,645	3,621,193
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales									3,735,888	3,921,769	3,903,698
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales									1,538,967	1,501,077	1,553,032
Other
Disaggregation of Revenue [Line Items]
Net sales									820,139	861,181	905,711
United States
Disaggregation of Revenue [Line Items]
Net sales									5,530,407	5,822,593	6,103,789
Europe
Disaggregation of Revenue [Line Items]
Net sales									2,486,770	2,532,239	2,582,692
Russia
Disaggregation of Revenue [Line Items]
Net sales									385,830	385,395	349,220
Other
Disaggregation of Revenue [Line Items]
Net sales									1,149,190	1,230,445	947,933
Operating segments | Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales									3,432,756	3,631,142	3,552,856
Operating segments | Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales									3,425,672	3,631,142	3,552,856
Operating segments | Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales									7,084	0	0
Operating segments | Global Ceramic segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Operating segments | Global Ceramic segment | United States
Disaggregation of Revenue [Line Items]
Net sales									2,050,470	2,131,029	2,251,233
Operating segments | Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales									699,715	711,762	714,315
Operating segments | Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales									262,846	269,142	245,867
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales									419,725	519,209	341,441
Operating segments | Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales									3,594,075	3,843,714	4,029,148
Operating segments | Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales									31,531	55,503	68,337
Operating segments | Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales									2,871,050	3,136,474	3,258,029
Operating segments | Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales									691,494	651,737	702,782
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Operating segments | Flooring NA segment | United States
Disaggregation of Revenue [Line Items]
Net sales									3,477,556	3,688,691	3,851,267
Operating segments | Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales									1,506	6,922	6,487
Operating segments | Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales									50	66	2
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales									114,963	148,035	171,392
Operating segments | Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales									2,525,366	2,495,816	2,401,630
Operating segments | Flooring ROW segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales									0	0	0
Operating segments | Flooring ROW segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales									857,754	785,295	645,669
Operating segments | Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales									847,473	849,340	850,250
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales									820,139	861,181	905,711
Operating segments | Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales									2,381	2,873	1,289
Operating segments | Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales									1,785,549	1,813,555	1,861,890
Operating segments | Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales									122,934	116,187	103,351
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales									$ 614,502	$ 563,201	$ 435,100