Restructuring, Acquisition Transaction and Integration-Related Costs - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Reserve [Roll Forward]
Beginning balance	$ 4,259	$ 8,513
Provision	125,357	90,341
Cash payments	(38,447)	(35,654)
Non-cash items	(78,864)	(58,941)
Ending balance	12,305	4,259	$ 8,513
Cost of sales
Restructuring Reserve [Roll Forward]
Provision	101,230	84,844	43,733
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Provision	24,127	5,497	15,259
Lease impairments
Restructuring Reserve [Roll Forward]
Beginning balance	21	397
Provision	2,466	0
Cash payments	(21)	(376)
Non-cash items	(2,466)	0
Ending balance	0	21	397
Lease impairments | Cost of sales
Restructuring Reserve [Roll Forward]
Provision	0	0
Lease impairments | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Provision	2,466	0
Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Provision	69,463	41,756
Cash payments	0	0
Non-cash items	(69,463)	(41,756)
Ending balance	0	0	0
Asset write-downs | Cost of sales
Restructuring Reserve [Roll Forward]
Provision	64,415	41,756
Asset write-downs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Provision	5,048	0
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	4,122	7,866
Provision	26,301	12,511
Cash payments	(20,001)	(16,113)
Non-cash items	1,154	(142)
Ending balance	11,576	4,122	7,866
Severance | Cost of sales
Restructuring Reserve [Roll Forward]
Provision	13,949	8,273
Severance | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Provision	12,352	4,238
Other restructuring costs
Restructuring Reserve [Roll Forward]
Beginning balance	116	250
Provision	27,127	36,074
Cash payments	(18,425)	(19,165)
Non-cash items	(8,089)	(17,043)
Ending balance	729	116	$ 250
Other restructuring costs | Cost of sales
Restructuring Reserve [Roll Forward]
Provision	22,866	34,815
Other restructuring costs | Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Provision	4,261	1,259
Corporate
Restructuring Reserve [Roll Forward]
Provision	5,593	15
Corporate | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	0	0
Corporate | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	3,685	0
Corporate | Severance
Restructuring Reserve [Roll Forward]
Provision	1,908	15
Corporate | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	0	0
Operating segments | Global Ceramic
Restructuring Reserve [Roll Forward]
Provision	43,116	5,264
Operating segments | Global Ceramic | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	2,239	0
Operating segments | Global Ceramic | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	19,963	0
Operating segments | Global Ceramic | Severance
Restructuring Reserve [Roll Forward]
Provision	13,987	5,264
Operating segments | Global Ceramic | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	6,927	0
Operating segments | Flooring NA
Restructuring Reserve [Roll Forward]
Provision	51,598	74,412
Operating segments | Flooring NA | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	227	0
Operating segments | Flooring NA | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	32,902	37,820
Operating segments | Flooring NA | Severance
Restructuring Reserve [Roll Forward]
Provision	4,660	2,617
Operating segments | Flooring NA | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	13,809	33,975
Operating segments | Flooring ROW
Restructuring Reserve [Roll Forward]
Provision	25,050	10,650
Operating segments | Flooring ROW | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	0	0
Operating segments | Flooring ROW | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	12,913	3,936
Operating segments | Flooring ROW | Severance
Restructuring Reserve [Roll Forward]
Provision	5,746	4,615
Operating segments | Flooring ROW | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	$ 6,391	$ 2,099