Restructuring, Acquisition, and Integration-Related Costs (Related Costs Restructuring Reserve) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 10,030	$ 4,878
Provision	38,463	33,085	$ 16,497
Cash payments	(20,940)	(22,377)
Non-cash items	16,127	14,206
Ending balance	11,426	10,030	4,878
Lease impairments
Restructuring Reserve [Roll Forward]
Beginning balance	0	1,741
Cash payments	0	(3,618)
Non-cash items	0	0
Ending balance	0	0	1,741
Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning balance	0	0
Cash payments	0	0
Non-cash items	11,027	15,386
Ending balance	0	0	0
Severance
Restructuring Reserve [Roll Forward]
Beginning balance	8,965	3,037
Cash payments	(10,958)	(7,265)
Non-cash items	2	0
Ending balance	5,183	8,965	3,037
Other restructuring costs
Restructuring Reserve [Roll Forward]
Beginning balance	1,065	100
Cash payments	(9,982)	(11,494)
Non-cash items	5,098	(1,180)
Ending balance	6,243	1,065	$ 100
Operating segments | Global Ceramic
Restructuring Reserve [Roll Forward]
Provision	2,270	4,365
Operating segments | Global Ceramic | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	0	0
Operating segments | Global Ceramic | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	10,048	2,318
Operating segments | Global Ceramic | Severance
Restructuring Reserve [Roll Forward]
Provision	3,850	3,227
Operating segments | Global Ceramic | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	18,170	(1,180)
Operating segments | Flooring NA
Restructuring Reserve [Roll Forward]
Provision	32,068	19,444
Operating segments | Flooring NA | Lease impairments
Restructuring Reserve [Roll Forward]
Provision	0	1,877
Operating segments | Flooring NA | Asset write-downs
Restructuring Reserve [Roll Forward]
Provision	795	4,279
Operating segments | Flooring NA | Severance
Restructuring Reserve [Roll Forward]
Provision	1,396	4,600
Operating segments | Flooring NA | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	79	8,688
Operating segments | Flooring ROW
Restructuring Reserve [Roll Forward]
Provision	4,125	17,926
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	184	8,789
Operating segments | Flooring ROW | Severance
Restructuring Reserve [Roll Forward]
Provision	1,932	5,366
Operating segments | Flooring ROW | Other restructuring costs
Restructuring Reserve [Roll Forward]
Provision	$ 2,009	$ 3,771