Acquisitions	12 Months Ended
Dec. 31, 2017
Business Combinations [Abstract]
Acquisitions	Acquisitions 2017 Acquisitions Emil On April 4, 2017, the Company completed its purchase of Emilceramica S.r.l (“Emil”), a ceramic company in Italy. The total value of the acquisition was $186,099. The Emil acquisition will enhance the Company's cost position and strengthen its combined brand and distribution in Europe. The acquisition's results and purchase price allocation have been included in the consolidated financial statements since the date of the acquisition. The Company's acquisition of Emil resulted in a preliminary goodwill allocation of $59,491, indefinite-lived tradename intangible asset of $16,196 and an intangible asset subject to amortization of $2,348. The goodwill is not expected to be deductible for tax purposes. The factors contributing to the recognition of the amount of goodwill include product, sales and manufacturing synergies. The Emil results are reflected in the Global Ceramic segment and the results of Emil's operations are not material to the Company's consolidated results of operations. Other Acquisitions On November 20, 2017, the Company announced that it agreed to acquire Godfrey Hirst Group, the leading flooring company in Australia and New Zealand, further extending Mohawk's global position. The acquisition is expected to close during the second quarter of 2018 for approximately A$556,000 ($434,171 equivalent at December 31, 2017). During the second quarter of 2017, the Company completed the acquisition of two businesses in the Global Ceramic segment for $37,250, resulting in a preliminary goodwill allocation of $1,002. The Company also completed the acquisition of a business in the Flooring NA segment for $26,623. During the first quarter of 2017, the Company acquired certain assets of a distribution business in the Flooring ROW segment for $1,407, resulting in intangible assets subject to amortization of $827. 2015 Acquisitions IVC Group and KAI Group On January 13, 2015, the Company entered into a share purchase agreement (the “Share Purchase Agreement”) with Enterhold S.A., a Luxembourg societe anonyme (the “Seller”), to acquire all of the outstanding shares of International Flooring Systems S.A., a Luxembourg societe anonyme , and its subsidiaries (collectively, the “IVC Group”). The IVC Group is a global manufacturer, distributor and marketer of luxury vinyl tile ("LVT") and sheet vinyl. On June 12, 2015, pursuant to the terms of the Share Purchase Agreement, the Company completed the acquisition of IVC Group for $1,146,437. The results of the IVC Group's operations have been included in the consolidated financial statements since that date in the Flooring NA and the Flooring ROW segments. The IVC Group acquisition will position the Company as a major participant in both the fast growing LVT category and the expanding fiberglass sheet vinyl business. On May 12, 2015, the Company purchased approximately 90% of all outstanding shares of Advent KAI Luxembourg Holdings S.a r.l., a Luxembourg societe a respsonsabilite limitee , and its subsidiaries (collectively, the "KAI Group"), an eastern European ceramic tile floor manufacturer. The Company completed the acquisition of the KAI Group for $194,613. The results of the KAI Group's operations have been included in the consolidated financial statements since the date of acquisition in the Global Ceramic segment. The KAI Group has a low cost position in the Bulgarian and Romanian markets. The combination with the Company will present opportunities to enhance the group's product offering, upgrade its technology and expand its exports to other countries. The remaining 10% ownership interest in the KAI Group is controlled by a third party. The 10% interest is subject to redemption provisions that are not solely within the Company’s control and therefore is recorded as a redeemable noncontrolling interest in the mezzanine section of the consolidated balance sheet. Pursuant to the share purchase agreement, the Company (i) acquired approximately 90% of the issued share capital of the KAI Group and (ii) acquired $24 of indebtedness of the KAI Group, in exchange for a net cash payment of $169,540 and debt paid of $25,073. The Company accounted for the acquisitions of the IVC Group and the KAI Group (the “Acquisitions”) using the acquisition method of accounting, with the Company as the acquirer of the IVC Group and the KAI Group. The combined consideration transferred of $1,341,050 for the Acquisitions, including debt paid and shares issued, was determined in accordance with the respective share purchase agreements. The consideration transferred is allocated to tangible and intangible assets and liabilities based upon their respective fair values. Xtratherm On December 7, 2015, the Company completed its purchase of Xtratherm Limited, an Irish company, and certain of its affiliates (collectively, "Xtratherm"), a manufacturer of insulation boards in Ireland, the UK and Belgium. The total value of the acquisition was $158,851 and the consideration transferred is allocated to tangible and intangible assets and liabilities based upon their respective fair values. The Xtratherm acquisition will expand the Company's existing insulation board footprint to include Ireland, the UK and Belgium while capitalizing on expanded product offerings in Belgium. The acquisition's results and purchase price allocation have been included in the consolidated financial statements since the date of the acquisition. The Xtratherm results are reflected in the Flooring ROW segment. Other Acquisitions During the first quarter of 2015, the Company acquired certain assets of a distribution business in the Flooring ROW segment for $2,822. During the third quarter of 2015, the Company acquired certain assets of a ceramic business in the Global Ceramic segment for $20,423.

Acquisitions

2017 Acquisitions

Emil

On April 4, 2017, the Company completed its purchase of Emilceramica S.r.l (“Emil”), a ceramic company in Italy. The total value of the acquisition was $186,099. The Emil acquisition will enhance the Company's cost position and strengthen its combined brand and distribution in Europe. The acquisition's results and purchase price allocation have been included in the consolidated financial statements since the date of the acquisition. The Company's acquisition of Emil resulted in a preliminary goodwill allocation of $59,491, indefinite-lived tradename intangible asset of $16,196 and an intangible asset subject to amortization of $2,348. The goodwill is not expected to be deductible for tax purposes. The factors contributing to the recognition of the amount of goodwill include product, sales and manufacturing synergies. The Emil results are reflected in the Global Ceramic segment and the results of Emil's operations are not material to the Company's consolidated results of operations.

Other Acquisitions

On November 20, 2017, the Company announced that it agreed to acquire Godfrey Hirst Group, the leading flooring company in Australia and New Zealand, further extending Mohawk's global position. The acquisition is expected to close during the second quarter of 2018 for approximately A$556,000 ($434,171 equivalent at December 31, 2017).

During the second quarter of 2017, the Company completed the acquisition of two businesses in the Global Ceramic segment for $37,250, resulting in a preliminary goodwill allocation of $1,002. The Company also completed the acquisition of a business in the Flooring NA segment for $26,623.

During the first quarter of 2017, the Company acquired certain assets of a distribution business in the Flooring ROW segment for $1,407, resulting in intangible assets subject to amortization of $827.

2015 Acquisitions

IVC Group and KAI Group

On January 13, 2015, the Company entered into a share purchase agreement (the “Share Purchase Agreement”) with Enterhold S.A., a Luxembourg societe anonyme (the “Seller”), to acquire all of the outstanding shares of International Flooring Systems S.A., a Luxembourg societe anonyme , and its subsidiaries (collectively, the “IVC Group”). The IVC Group is a global manufacturer, distributor and marketer of luxury vinyl tile ("LVT") and sheet vinyl. On June 12, 2015, pursuant to the terms of the Share Purchase Agreement, the Company completed the acquisition of IVC Group for $1,146,437. The results of the IVC Group's operations have been included in the consolidated financial statements since that date in the Flooring NA and the Flooring ROW segments. The IVC Group acquisition will position the Company as a major participant in both the fast growing LVT category and the expanding fiberglass sheet vinyl business.

On May 12, 2015, the Company purchased approximately 90% of all outstanding shares of Advent KAI Luxembourg Holdings S.a r.l., a Luxembourg societe a respsonsabilite limitee , and its subsidiaries (collectively, the "KAI Group"), an eastern European ceramic tile floor manufacturer. The Company completed the acquisition of the KAI Group for $194,613. The results of the KAI Group's operations have been included in the consolidated financial statements since the date of acquisition in the Global Ceramic segment. The KAI Group has a low cost position in the Bulgarian and Romanian markets. The combination with the Company will present opportunities to enhance the group's product offering, upgrade its technology and expand its exports to other countries. The remaining 10% ownership interest in the KAI Group is controlled by a third party. The 10% interest is subject to redemption provisions that are not solely within the Company’s control and therefore is recorded as a redeemable noncontrolling interest in the mezzanine section of the consolidated balance sheet. Pursuant to the share purchase agreement, the Company (i) acquired approximately 90% of the issued share capital of the KAI Group and (ii) acquired $24 of indebtedness of the KAI Group, in exchange for a net cash payment of $169,540 and debt paid of $25,073.

The Company accounted for the acquisitions of the IVC Group and the KAI Group (the “Acquisitions”) using the acquisition method of accounting, with the Company as the acquirer of the IVC Group and the KAI Group. The combined consideration transferred of $1,341,050 for the Acquisitions, including debt paid and shares issued, was determined in accordance with the respective share purchase agreements. The consideration transferred is allocated to tangible and intangible assets and liabilities based upon their respective fair values.

Xtratherm

On December 7, 2015, the Company completed its purchase of Xtratherm Limited, an Irish company, and certain of its affiliates (collectively, "Xtratherm"), a manufacturer of insulation boards in Ireland, the UK and Belgium. The total value of the acquisition was $158,851 and the consideration transferred is allocated to tangible and intangible assets and liabilities based upon their respective fair values. The Xtratherm acquisition will expand the Company's existing insulation board footprint to include Ireland, the UK and Belgium while capitalizing on expanded product offerings in Belgium. The acquisition's results and purchase price allocation have been included in the consolidated financial statements since the date of the acquisition. The Xtratherm results are reflected in the Flooring ROW segment.

Other Acquisitions

During the first quarter of 2015, the Company acquired certain assets of a distribution business in the Flooring ROW segment for $2,822.

During the third quarter of 2015, the Company acquired certain assets of a ceramic business in the Global Ceramic segment for $20,423.