Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Goodwill [Line Items]
Goodwill, impairment loss	$ 0
Goodwill [Roll Forward]
Goodwill, beginning balance	3,897,452,000	$ 3,848,391,000
Accumulated impairments losses, beginning balance	(1,327,425,000)	(1,327,425,000)
Goodwill	2,650,831,000	2,570,027,000	$ 2,520,966,000
Goodwill recognized during the period	(9,642,000)	62,816,000
Currency translation during the period	90,446,000	(13,755,000)
Goodwill, ending balance	3,978,256,000	3,897,452,000
Accumulated impairments losses, ending balance	(1,327,425,000)	(1,327,425,000)
Goodwill, net, ending balance	2,650,831,000	2,570,027,000	2,520,966,000
Global Ceramic
Goodwill [Roll Forward]
Currency translation during the period	(4,085,000)
Flooring NA
Goodwill [Roll Forward]
Currency translation during the period	0
Flooring ROW
Goodwill [Roll Forward]
Goodwill				$ 12,874,000
Currency translation during the period	94,531,000
Goodwill, net, ending balance				$ 12,874,000
Operating segments | Global Ceramic
Goodwill [Roll Forward]
Goodwill, beginning balance	1,583,576,000	1,564,987,000
Accumulated impairments losses, beginning balance	(531,930,000)	(531,930,000)
Goodwill	1,047,561,000	1,051,646,000	1,033,057,000
Goodwill recognized during the period	0	13,197,000
Currency translation during the period		5,392,000
Goodwill, ending balance	1,579,491,000	1,583,576,000
Accumulated impairments losses, ending balance	(531,930,000)	(531,930,000)
Goodwill, net, ending balance	1,047,561,000	1,051,646,000	1,033,057,000
Operating segments | Flooring NA
Goodwill [Roll Forward]
Goodwill, beginning balance	874,198,000	874,198,000
Accumulated impairments losses, beginning balance	(343,054,000)	(343,054,000)
Goodwill	531,144,000	531,144,000	531,144,000
Goodwill recognized during the period	0	0
Currency translation during the period		0
Goodwill, ending balance	874,198,000	874,198,000
Accumulated impairments losses, ending balance	(343,054,000)	(343,054,000)
Goodwill, net, ending balance	531,144,000	531,144,000	531,144,000
Operating segments | Flooring ROW
Goodwill [Roll Forward]
Goodwill, beginning balance	1,439,678,000	1,409,206,000
Accumulated impairments losses, beginning balance	(452,441,000)	(452,441,000)
Goodwill	1,072,126,000	987,237,000	956,765,000
Goodwill recognized during the period	(9,642,000)	49,619,000
Currency translation during the period		(19,147,000)
Goodwill, ending balance	1,524,567,000	1,439,678,000
Accumulated impairments losses, ending balance	(452,441,000)	(452,441,000)
Goodwill, net, ending balance	$ 1,072,126,000	$ 987,237,000	$ 956,765,000