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v2.4.1.9

Acquisitions (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 03, 2013 | Dec. 31, 2013 | Jan. 10, 2013 | May 03, 2013 | Dec. 31, 2014 | Dec. 31, 2012 | Jan. 31, 2013
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 1,736,092 us-gaap_Goodwill |  |  | $ 1,604,352 us-gaap_Goodwill | $ 1,385,771 us-gaap_Goodwill |
Marrazzi Group [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Enterprise value | 1,522,731 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Assumed indebtedness | 901,773 us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Cash payments to acquire entity | 307,052 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Shares issued for acquisition, in shares | 2,874 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Shares issued for acquisition, value | 313,906 us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Acquisition related costs |  | 15,660 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |
Goodwill | 276,586 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |  |
Inventory step up, amortization |  | 31,041 mhk_BusinessCombinationInventoryFairValueStepUpAmortization / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember |  |  |  |  |
Pergo [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Enterprise value |  |  | 145,000 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = mhk_PergoMember |  |  |  |
Intangible assets subject to amortization |  |  | 15,188 mhk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangibles / us-gaap_BusinessAcquisitionAxis = mhk_PergoMember |  |  |  |
Goodwill |  |  | 18,456 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = mhk_PergoMember |  |  |  |
Spano Invest NV [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Enterprise value |  |  |  | 160,000 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = mhk_SpanoInvestNvMember |  |  |
Goodwill |  |  |  | 37,739 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = mhk_SpanoInvestNvMember |  |  |
3.85% Senior Notes Due February 1,2023 [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Interest rate percentage |  |  |  |  | 3.85%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = mhk_ThreePointEightFivePercentSeniorNotesDueFebruaryOneTwoThousandTwentyThreeMember |  | 3.85%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = mhk_ThreePointEightFivePercentSeniorNotesDueFebruaryOneTwoThousandTwentyThreeMember
Customer Relationships [Member] | Marrazzi Group [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets subject to amortization | 21,792 mhk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangibles / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |  |  |  |  |  |
Intangible assets subject to amortization, useful life | 10 years |  |  |  |  |  |
Trademarks [Member] | Marrazzi Group [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Tradenames | 215,357 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |  |  |  |  |  |
Trademarks [Member] | Pergo [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Tradenames |  |  | 16,834 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets / us-gaap_BusinessAcquisitionAxis = mhk_PergoMember / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |  |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquisition related costs |  | 14,199 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember |  |  | 0 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember | 0 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember |
Selling, General and Administrative Expenses [Member] | Marrazzi Group [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquisition related costs |  | 14,199 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember |  |  |  |  |
Other Expense [Member] | Marrazzi Group [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Acquisition related costs |  | $ 1,461 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = mhk_MarrazziGroupMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherExpenseMember |  |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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