Goodwill And Other Intangible Assets (Schedule Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Goodwill, beginning balance	$ 2,696,819	$ 2,738,553
Accumulated impairments losses, beginning balance	(1,327,425)	(1,327,425)
Goodwill, net, beginning balance	1,369,394	1,411,128
Goodwill recognized during the year	19,066	141
Currency translation during the year	(13,285)	(41,875)
Goodwill, ending balance	2,702,600	2,696,819
Accumulated impairments losses, ending balance	(1,327,425)	(1,327,425)
Goodwill, net, ending balance	1,375,175	1,369,394
Mohawk [Member]
Goodwill [Line Items]
Goodwill, beginning balance	199,132	199,132
Accumulated impairments losses, beginning balance	(199,132)	(199,132)
Goodwill, net, beginning balance
Goodwill recognized during the year
Currency translation during the year
Goodwill, ending balance	199,132	199,132
Accumulated impairments losses, ending balance	(199,132)	(199,132)
Goodwill, net, ending balance
Dal-Tile [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,186,913	1,186,913
Accumulated impairments losses, beginning balance	(531,930)	(531,930)
Goodwill, net, beginning balance	654,983	654,983
Goodwill recognized during the year
Currency translation during the year
Goodwill, ending balance	1,186,913	1,186,913
Accumulated impairments losses, ending balance	(531,930)	(531,930)
Goodwill, net, ending balance	654,983	654,983
Unilin [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,310,774	1,352,508
Accumulated impairments losses, beginning balance	(596,363)	(596,363)
Goodwill, net, beginning balance	714,411	756,145
Goodwill recognized during the year	19,066	141
Currency translation during the year	(13,285)	(41,875)
Goodwill, ending balance	1,316,555	1,310,774
Accumulated impairments losses, ending balance	(596,363)	(596,363)
Goodwill, net, ending balance	$ 720,192	$ 714,411