Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 3,153,188	$ 2,953,833	$ 6,168,851	$ 5,622,859
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,163,198	1,045,395	2,231,897	1,981,175
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,112,159	1,132,413	2,204,415	2,154,629
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	531,609	482,279	1,048,586	924,341
Other
Disaggregation of Revenue [Line Items]
Net sales	346,222	293,746	683,953	562,714
United States
Disaggregation of Revenue [Line Items]
Net sales	1,691,121	1,617,948	3,315,018	3,091,012
Europe
Disaggregation of Revenue [Line Items]
Net sales	901,608	845,162	1,786,339	1,611,130
Russia
Disaggregation of Revenue [Line Items]
Net sales	142,759	116,445	249,035	206,150
Other
Disaggregation of Revenue [Line Items]
Net sales	417,700	374,278	818,459	714,567
Global Ceramic Segment
Disaggregation of Revenue [Line Items]
Net sales		1,039,503	2,223,326	1,969,374
Flooring NA Segment
Disaggregation of Revenue [Line Items]
Net sales		1,081,189	2,171,448	2,050,439
Flooring ROW Segment
Disaggregation of Revenue [Line Items]
Net sales		833,141	1,774,077	1,603,046
Operating segments | Global Ceramic Segment
Disaggregation of Revenue [Line Items]
Net sales	1,158,569	1,039,503	2,223,326	1,969,374
Operating segments | Global Ceramic Segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	1,153,143	1,036,733	2,212,854	1,964,192
Operating segments | Global Ceramic Segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	5,426	2,770	10,472	5,182
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	625,613	568,062	1,210,844	1,102,609
Operating segments | Global Ceramic Segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	255,855	246,067	501,091	453,567
Operating segments | Global Ceramic Segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	103,989	78,962	170,507	140,980
Operating segments | Global Ceramic Segment | Other
Disaggregation of Revenue [Line Items]
Net sales	173,112	146,412	340,884	272,218
Operating segments | Flooring NA Segment
Disaggregation of Revenue [Line Items]
Net sales	1,099,538	1,081,189	2,171,448	2,050,439
Operating segments | Flooring NA Segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	10,055	8,662	19,043	16,983
Operating segments | Flooring NA Segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	862,033	863,419	1,705,115	1,635,499
Operating segments | Flooring NA Segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	227,450	209,108	447,290	397,957
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	1,061,276	1,047,964	2,097,156	1,984,062
Operating segments | Flooring NA Segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	1,721	249	3,853	579
Operating segments | Flooring NA Segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	0	20	23	50
Operating segments | Flooring NA Segment | Other
Disaggregation of Revenue [Line Items]
Net sales	36,541	32,956	70,416	65,748
Operating segments | Flooring ROW Segment
Disaggregation of Revenue [Line Items]
Net sales	895,081	833,141	1,774,077	1,603,046
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	244,700	266,224	488,828	513,948
Operating segments | Flooring ROW Segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	304,159	273,171	601,296	526,384
Operating segments | Flooring ROW Segment | Other
Disaggregation of Revenue [Line Items]
Net sales	346,222	293,746	683,953	562,714
Operating segments | Flooring ROW Segment | United States
Disaggregation of Revenue [Line Items]
Net sales	4,232	1,922	7,018	4,341
Operating segments | Flooring ROW Segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	644,032	598,846	1,281,395	1,156,984
Operating segments | Flooring ROW Segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	38,770	37,463	78,505	65,120
Operating segments | Flooring ROW Segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 208,047	$ 194,910	$ 407,159	$ 376,601