Revenue from Contracts with Customers - Summary of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 2,669,026	$ 2,285,763
Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	935,781	858,815
Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	1,022,215	875,008
Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	442,062	353,062
Other
Disaggregation of Revenue [Line Items]
Net sales	268,968	198,878
United States
Disaggregation of Revenue [Line Items]
Net sales	1,473,064	1,316,260
Europe
Disaggregation of Revenue [Line Items]
Net sales	765,968	612,667
Russia
Disaggregation of Revenue [Line Items]
Net sales	89,705	86,133
Other
Disaggregation of Revenue [Line Items]
Net sales	340,289	270,703
Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	929,871	848,450
Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	969,250	848,330
Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	769,905	588,983
Operating segments | Global Ceramic segment
Disaggregation of Revenue [Line Items]
Net sales	929,871	848,450
Operating segments | Global Ceramic segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	927,459	848,450
Operating segments | Global Ceramic segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	2,412	0
Operating segments | Global Ceramic segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	0	0
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0
Operating segments | Global Ceramic segment | United States
Disaggregation of Revenue [Line Items]
Net sales	534,547	505,105
Operating segments | Global Ceramic segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	207,500	169,536
Operating segments | Global Ceramic segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	62,018	59,807
Operating segments | Global Ceramic segment | Other
Disaggregation of Revenue [Line Items]
Net sales	125,806	114,002
Operating segments | Flooring NA segment
Disaggregation of Revenue [Line Items]
Net sales	969,250	848,330
Operating segments | Flooring NA segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	8,322	10,365
Operating segments | Flooring NA segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	772,079	683,713
Operating segments | Flooring NA segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	188,849	154,252
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	0	0
Operating segments | Flooring NA segment | United States
Disaggregation of Revenue [Line Items]
Net sales	936,098	810,448
Operating segments | Flooring NA segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	330	2,636
Operating segments | Flooring NA segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	30	0
Operating segments | Flooring NA segment | Other
Disaggregation of Revenue [Line Items]
Net sales	32,792	35,246
Operating segments | Flooring ROW segment
Disaggregation of Revenue [Line Items]
Net sales	769,905	588,983
Operating segments | Flooring ROW segment | Ceramic & Stone
Disaggregation of Revenue [Line Items]
Net sales	0	0
Operating segments | Flooring ROW segment | Carpet & Resilient
Disaggregation of Revenue [Line Items]
Net sales	247,724	191,295
Operating segments | Flooring ROW segment | Laminate & Wood
Disaggregation of Revenue [Line Items]
Net sales	253,213	198,810
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	268,968	198,878
Operating segments | Flooring ROW segment | United States
Disaggregation of Revenue [Line Items]
Net sales	2,419	707
Operating segments | Flooring ROW segment | Europe
Disaggregation of Revenue [Line Items]
Net sales	558,138	440,495
Operating segments | Flooring ROW segment | Russia
Disaggregation of Revenue [Line Items]
Net sales	27,657	26,326
Operating segments | Flooring ROW segment | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 181,691	$ 121,455