Consolidated interest coverage ratio

No definition available.

Name:	mhk_ConsolidatedInterestCoverageRatio
Namespace Prefix:	mhk_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Consolidated net leverage ratio

+ References

No definition available.

+ Details

Name:	mhk_ConsolidatedNetLeverageRatio
Namespace Prefix:	mhk_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility, Covenant Terms, Minimum Defined Liquidity To Avoid Acceleration

+ References

No definition available.

+ Details

Name:	mhk_LineOfCreditFacilityCovenantTermsMinimumDefinedLiquidityToAvoidAcceleration
Namespace Prefix:	mhk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of line of credit.

+ References

No definition available.

+ Details

Name:	mhk_TermOfLineOfCredit
Namespace Prefix:	mhk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for loan and debt issuance costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=mhk_SeniorSecuredCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mhk_SixPointOneTwoFivePercentNotesPayableJanuaryFifteenTwoThousandSixteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mhk_StandbyLettersOfCreditRelatedToVariousInsuranceContractsAndForeignVendorCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_BorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt (Senior Credit Facility) (Details) (USD $)	0 Months Ended
	Sep. 25, 2013	Dec. 31, 2014	Feb. 28, 2014	Jan. 17, 2006	Dec. 31, 2013
Senior Secured Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit facility	$ 1,000,000,000
Term of line of credit (years)	5 years
Payment of financing costs	1,836,000
Unamortized financing costs	11,440,000
Minimum defined liquidity to avoid acceleration		200,000,000
Utilized borrowings under credit facility		534,646,000
Available amount under credit facility		465,354,000
Senior Secured Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage	0.125%
Consolidated interest coverage ratio	3.0
Senior Secured Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage	0.25%
Consolidated net leverage ratio	3.75
Senior Secured Credit Facility [Member] \| Federal Funds [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	0.50%
Senior Secured Credit Facility [Member] \| Libor [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	1.00%
Senior Secured Credit Facility [Member] \| Libor [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	1.75%
Senior Secured Credit Facility [Member] \| Monthly Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	1.00%
Senior Secured Credit Facility [Member] \| Monthly Libor [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	0.00%
Senior Secured Credit Facility [Member] \| Monthly Libor [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument	0.75%
Commercial Paper [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit facility			1,000,000,000
Utilized borrowings under credit facility		301,600,000
Six Point One Two Five Percent Notes Payable January Fifteen Two Thousand Sixteen [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.125%		6.125%
Borrowings [Member] \| Senior Secured Credit Facility [Member]
Line of Credit Facility [Line Items]
Utilized borrowings under credit facility		195,665,000
Standby Letters Of Credit Related To Various Insurance Contracts And Foreign Vendor Commitments [Member] \| Senior Secured Credit Facility [Member]
Line of Credit Facility [Line Items]
Standby letters of credit for various insurance contracts and commitments to foreign vendors		$ 37,381,000			$ 47,713,000