Goodwill And Intangible Assets (Goodwill And Other Intangible Assets) (Details) (USD $) In Thousands	9 Months Ended
Oct. 01, 2011
Goodwill [Line Items]
Acquisition of business	$ 24,097
Goodwill, beginning balance	2,696,819
Accumulated impairments losses, beginning balance	(1,327,425)
Goodwill, net, beginning balance	1,369,394
Goodwill recognized during the period	17,211
Currency translation during the period	2,825
Goodwill, ending balance	2,716,855
Accumulated impairments losses, ending balance	(1,327,425)
Goodwill, net, ending balance	1,389,430
Mohawk [Member]
Goodwill [Line Items]
Goodwill, beginning balance	199,132
Accumulated impairments losses, beginning balance	(199,132)
Goodwill, net, beginning balance
Currency translation during the period
Goodwill, ending balance	199,132
Accumulated impairments losses, ending balance	(199,132)
Goodwill, net, ending balance
Dal-Tile [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,186,913
Accumulated impairments losses, beginning balance	(531,930)
Goodwill, net, beginning balance	654,983
Currency translation during the period
Goodwill, ending balance	1,186,913
Accumulated impairments losses, ending balance	(531,930)
Goodwill, net, ending balance	654,983
Unilin [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,310,774
Accumulated impairments losses, beginning balance	(596,363)
Goodwill, net, beginning balance	714,411
Goodwill recognized during the period	17,211
Currency translation during the period	2,825
Goodwill, ending balance	1,330,810
Accumulated impairments losses, ending balance	(596,363)
Goodwill, net, ending balance	$ 734,447

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 34

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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