Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 2,545,800	$ 2,448,510	$ 7,535,016	$ 7,122,193
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	902,552	911,377	2,744,118	2,641,863
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,043,971	940,059	2,920,292	2,713,896
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	379,290	392,309	1,179,662	1,159,557
Other
Disaggregation of Revenue [Line Items]
Net sales	219,987	204,765	690,944	606,877
United States
Disaggregation of Revenue [Line Items]
Net sales	1,564,525	1,542,545	4,621,363	4,543,147
Europe
Disaggregation of Revenue [Line Items]
Net sales	614,828	612,546	2,002,782	1,770,663
Russia
Disaggregation of Revenue [Line Items]
Net sales	95,548	93,155	256,661	240,040
Other
Disaggregation of Revenue [Line Items]
Net sales	270,899	200,264	654,210	568,343
Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	885,773	893,399	2,691,618	2,581,038
Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	885,773	893,399	2,691,618	2,581,038
Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Global Ceramic segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Global Ceramic segment | United States
Disaggregation of Revenue [Line Items]
Net sales	565,616	563,297	1,700,338	1,679,508
Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	175,026	181,938	573,932	504,956
Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	68,113	67,610	183,244	173,874
Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	77,018	80,554	234,104	222,700
Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	1,047,540	1,031,773	3,055,468	3,011,568
Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	16,779	17,978	52,500	60,825
Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	851,970	830,780	2,466,695	2,393,658
Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	178,791	183,015	536,273	557,085
Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Flooring NA segment | United States
Disaggregation of Revenue [Line Items]
Net sales	998,488	978,791	2,920,604	2,861,995
Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	1,217	4,740	4,737	13,023
Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	47,835	48,242	130,127	136,550
Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	612,487	523,338	1,787,930	1,529,587
Flooring ROW segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Flooring ROW segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	192,001	109,279	453,597	320,238
Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	200,499	209,294	643,389	602,472
Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	219,987	204,765	690,944	606,877
Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales	421	457	421	1,644
Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	438,585	425,868	1,424,113	1,252,684
Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	27,435	25,545	73,417	66,166
Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 146,046	$ 71,468	$ 289,979	$ 209,093