Consolidated interest coverage ratio

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- Definition

Consolidated net leverage ratio

+ Details

Name:	mhk_ConsolidatedNetLeverageRatio
Namespace Prefix:	mhk
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Line Of Credit Facility Amount Utilized

+ Details

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Namespace Prefix:	mhk
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ Details

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Namespace Prefix:	us-gaap
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Balance Type:	na
Period Type:	instant

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: 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_LineOfCreditFacilityAmountOutstanding
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.

+ Details

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Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 3: 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

+ Details

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Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects when the credit facility first became available, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

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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

+ Details

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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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 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 210.5-02.19(b),22(b))

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

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt (New Facility) (Details) (Senior Secured Credit Facility [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended	9 Months Ended
	Jul. 08, 2011	Oct. 01, 2011
Line of Credit Facility [Line Items]
Credit facility, maturity date		July 8, 2016
Credit facility, initiation date	July 8, 2011
Utilized borrowings under credit facility		$ 270,495
Maximum borrowing capacity under credit facility		900,000
Consolidated interest coverage ratio		3.0
Amount utilized from long-term lines of credit		377,095
Available amount under credit facility		522,905
Standby Letters Of Credit Guaranteeing Company Industrial Revenue Bonds [Member]
Line of Credit Facility [Line Items]
Amount utilized from long-term lines of credit		53,542
Standby Letters Of Credit Related To Various Insurance Contracts And Foreign Vendor Commitments [Member]
Line of Credit Facility [Line Items]
Amount utilized from long-term lines of credit		$ 53,058
Alternative A [Member] \| Maximum [Member] \| Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		2.00%
Alternative A [Member] \| Minimum [Member] \| Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		1.25%
Alternative B [Member] \| Maximum [Member] \| Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		1.00%
Alternative B [Member] \| Minimum [Member] \| Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		0.25%
Alternative B [Member] \| Federal Funds [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		0.50%
Alternative B [Member] \| Monthly Libor [Member]
Line of Credit Facility [Line Items]
Basis spread on debt instrument		1.00%
Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.40%
Consolidated net leverage ratio		3.75
Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee percentage		0.25%