Goodwill and Intangible Assets - Schedule of goodwill (Details) $ in Thousands	6 Months Ended
	Jul. 02, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	$ 3,935,334
Accumulated impairment losses, beginning balance	(1,327,425)
Goodwill, net, beginning balance	2,607,909
Goodwill adjustments related to acquisitions	(731)
Currency translation during the period	(70,864)
Goodwill, gross, ending balance	3,863,739
Accumulated impairment losses, ending balance	(1,327,425)
Goodwill, net, ending balance	2,536,314
Global Ceramic Segment
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	1,563,267
Accumulated impairment losses, beginning balance	(531,930)
Goodwill, net, beginning balance	1,031,337
Goodwill adjustments related to acquisitions	0
Currency translation during the period	12,250
Goodwill, gross, ending balance	1,575,517
Accumulated impairment losses, ending balance	(531,930)
Goodwill, net, ending balance	1,043,587
Flooring NA Segment
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	874,198
Accumulated impairment losses, beginning balance	(343,054)
Goodwill, net, beginning balance	531,144
Goodwill adjustments related to acquisitions	0
Currency translation during the period	0
Goodwill, gross, ending balance	874,198
Accumulated impairment losses, ending balance	(343,054)
Goodwill, net, ending balance	531,144
Flooring ROW Segment
Goodwill [Roll Forward]
Goodwill, gross, beginning balance	1,497,869
Accumulated impairment losses, beginning balance	(452,441)
Goodwill, net, beginning balance	1,045,428
Goodwill adjustments related to acquisitions	(731)
Currency translation during the period	(83,114)
Goodwill, gross, ending balance	1,414,024
Accumulated impairment losses, ending balance	(452,441)
Goodwill, net, ending balance	$ 961,583