Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 2,817,017	$ 2,574,870	$ 8,439,876	$ 6,910,433
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,002,943	915,589	2,984,118	2,533,542
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,070,986	1,035,657	3,225,615	2,691,300
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	457,100	407,150	1,381,441	1,102,607
Other
Disaggregation of Revenue [Line Items]
Net sales	285,988	216,474	848,702	582,984
United States
Disaggregation of Revenue [Line Items]
Net sales	1,576,362	1,456,360	4,667,374	4,023,312
Europe
Disaggregation of Revenue [Line Items]
Net sales	752,199	665,897	2,363,328	1,778,408
Russia
Disaggregation of Revenue [Line Items]
Net sales	121,546	113,651	327,696	277,235
Other
Disaggregation of Revenue [Line Items]
Net sales	366,910	338,962	1,081,478	831,478
Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	998,444	911,303	2,967,818	2,513,088
Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	1,050,453	982,292	3,100,892	2,630,710
Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	768,120	681,275	2,371,166	1,766,635
Operating segments | Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	998,444	911,303	2,967,818	2,513,088
Operating segments | Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	993,864	908,419	2,958,056	2,508,604
Operating segments | Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	4,580	2,884	9,762	4,484
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	556,496	508,291	1,659,106	1,485,934
Operating segments | Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	205,263	197,070	658,829	513,253
Operating segments | Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	81,246	77,564	222,226	192,588
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	155,439	128,378	427,657	321,313
Operating segments | Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	1,050,453	982,292	3,100,892	2,630,710
Operating segments | Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	9,079	7,170	26,062	24,938
Operating segments | Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	834,581	791,212	2,470,079	2,090,681
Operating segments | Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	206,793	183,910	604,751	515,091
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	1,016,015	947,648	3,000,077	2,535,874
Operating segments | Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	1,398	2,655	1,977	6,132
Operating segments | Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	25	25	75	25
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	33,015	31,964	98,763	88,679
Operating segments | Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	768,120	681,275	2,371,166	1,766,635
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	231,825	241,561	745,774	596,135
Operating segments | Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	250,307	223,240	776,690	587,516
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	285,988	216,474	848,702	582,984
Operating segments | Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales	3,851	421	8,191	1,504
Operating segments | Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	545,538	466,172	1,702,522	1,259,023
Operating segments | Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	40,275	36,062	105,395	84,622
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 178,456	$ 178,620	$ 555,058	$ 421,486