Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 2,519,185	$ 2,545,800	$ 7,546,160	$ 7,535,016
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	929,992	902,552	2,814,733	2,744,118
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,010,131	1,043,971	2,946,402	2,920,292
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	376,389	379,290	1,134,885	1,179,662
Other
Disaggregation of Revenue [Line Items]
Net sales	202,673	219,987	650,140	690,944
United States
Disaggregation of Revenue [Line Items]
Net sales	1,501,506	1,564,525	4,427,945	4,621,363
Europe
Disaggregation of Revenue [Line Items]
Net sales	594,163	614,828	1,928,356	2,002,782
Russia
Disaggregation of Revenue [Line Items]
Net sales	109,653	95,548	280,112	256,661
Other
Disaggregation of Revenue [Line Items]
Net sales	313,863	270,899	909,747	654,210
Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	916,422	885,773	2,772,805	2,691,618
Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	1,001,908	1,047,540	2,907,327	3,055,468
Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	600,855	612,487	1,866,028	1,787,930
Operating segments | Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	916,422	885,773	2,772,805	2,691,618
Operating segments | Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	916,422	885,773	2,772,805	2,691,618
Operating segments | Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Global Ceramic segment | United States
Disaggregation of Revenue [Line Items]
Net sales	537,247	565,616	1,633,583	1,700,338
Operating segments | Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	168,032	175,026	552,546	573,932
Operating segments | Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	77,024	68,113	196,731	183,244
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	134,119	77,018	389,945	234,104
Operating segments | Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	1,001,908	1,047,540	2,907,327	3,055,468
Operating segments | Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	13,570	16,779	41,928	52,500
Operating segments | Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	816,190	851,970	2,360,014	2,466,695
Operating segments | Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	172,148	178,791	505,385	536,273
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Flooring NA segment | United States
Disaggregation of Revenue [Line Items]
Net sales	963,784	998,488	2,793,110	2,920,604
Operating segments | Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	1,901	1,217	5,902	4,737
Operating segments | Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	15	0	66	0
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	36,208	47,835	108,249	130,127
Operating segments | Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	600,855	612,487	1,866,028	1,787,930
Operating segments | Flooring ROW segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Operating segments | Flooring ROW segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	193,941	192,001	586,388	453,597
Operating segments | Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	204,241	200,499	629,500	643,389
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	202,673	219,987	650,140	690,944
Operating segments | Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales	475	421	1,252	421
Operating segments | Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	424,230	438,585	1,369,908	1,424,113
Operating segments | Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	32,614	27,435	83,315	73,417
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 143,536	$ 146,046	$ 411,553	$ 289,979