Aggregate amount of increase in interest rate from rating agency downgrade.

Name:	mhk_AggregateAmountOfIncreaseInInterestRateFromRatingAgencyDowngrade
Namespace Prefix:	mhk
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate Commitments Outstanding Percentage

+ Details

Name:	mhk_AggregateCommitmentsOutstandingPercentage
Namespace Prefix:	mhk
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Commitments That Exceed Utilization Percentage

+ Details

Name:	mhk_CommitmentsThatExceedUtilizationPercentage
Namespace Prefix:	mhk
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Consolidated interest coverage ratio

+ Details

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

- Definition

Consolidated net leverage ratio

+ Details

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

- Definition

Effect of Each rating agency downgrade on interest expense.

+ Details

Name:	mhk_EffectOfEachRatingAgencyDowngradeOnInterestExpense
Namespace Prefix:	mhk
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fixed Charge Coverage Ratio

+ Details

Name:	mhk_FixedChargeCoverageRatio
Namespace Prefix:	mhk
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Increase in interest rate from rating agency downgrade.

+ Details

Name:	mhk_IncreaseInInterestRateFromRatingAgencyDowngrade
Namespace Prefix:	mhk
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Incremental Increase In Outstanding Notes

+ Details

Name:	mhk_IncrementalIncreaseInOutstandingNotes
Namespace Prefix:	mhk
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line Of Credit Facility Amount Utilized

+ Details

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

- Definition

Maximum Increase in interest rate per agency from rating agency downgrade.

+ Details

Name:	mhk_MaximumIncreaseInInterestRatePerAgencyFromRatingAgencyDowngrade
Namespace Prefix:	mhk
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20
-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 Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

+ Details

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

- Definition

Interest rate stated in the contractual 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

Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).

+ 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 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 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 34
-Paragraph 21
-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 SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 9
-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher OTS
-Name Federal Regulation (FR)
-Number Title 12
-Chapter V
-Section 563c.102
-Paragraph 9
-Subsection II
-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_InterestExpense
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
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

Name:	us-gaap_LineOfCreditFacilityExpirationDate
Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
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 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

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

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

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

Debt (Details) (USD $)	3 Months Ended		6 Months Ended			0 Months Ended	6 Months Ended	0 Months Ended												6 Months Ended	0 Months Ended	6 Months Ended	0 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended	0 Months Ended	6 Months Ended
Debt (Details) (USD $)	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011 Standby Letters Of Credit Guaranteeing Company Industrial Revenue Bonds [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Standby Letters Of Credit Guaranteeing Company Industrial Revenue Bonds [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Standby Letters Of Credit Related to Various Insurance Contracts and Foreign Vendor Commitments [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Standby Letters Of Credit Related to Various Insurance Contracts and Foreign Vendor Commitments [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Libor [Member] Alternative A [Member] Maximum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Libor [Member] Alternative A [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Libor [Member] Alternative A [Member] Minimum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Libor [Member] Alternative A [Member] Minimum [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Libor [Member] Alternative B [Member] Maximum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Libor [Member] Alternative B [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Libor [Member] Alternative B [Member] Minimum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Libor [Member] Alternative B [Member] Minimum [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Federal Funds [Member] Alternative B [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Federal Funds [Member] Alternative B [Member] Senior Secured Credit Facility [Member]	Jul. 08, 2011 Monthly Libor [Member] Alternative B [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Maximum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Maximum [Member] Senior Secured Credit Facility [Member]	Jul. 02, 2011 Minimum [Member] ABL Credit Facility [Member]	Jul. 08, 2011 Minimum [Member] Senior Secured Credit Facility [Member]	Apr. 02, 2011 5.75% Notes, Payable January 15, 2011 [Member]	Jul. 02, 2011 5.75% Notes, Payable January 15, 2011 [Member]	Dec. 31, 2010 5.75% Notes, Payable January 15, 2011 [Member]	Jul. 02, 2011 6.125% Notes, Payable January 15, 2016 [Member]	Jul. 02, 2011 7.20% Senior Notes, Payable April 15, 2012 [Member]	Jul. 08, 2011 ABL Credit Facility [Member]	Jul. 02, 2011 ABL Credit Facility [Member]	Jul. 08, 2011 Senior Secured Credit Facility [Member]	Jul. 02, 2011 Senior Secured Credit Facility [Member]
Credit facility, maturity date																													September 2, 2013		July 8, 2011	July 8, 2016
Notes payable, maturity date																									Jan. 15, 2011		Jan. 15, 2016	Apr. 15, 2012
Utilized borrowings under credit facility																														$ 253,000,000	$ 300,000,000
Maximum borrowing capacity under credit facility																														600,000,000	900,000,000
Basis spread on debt instrument									3.25%	2.00%	2.75%	1.25%	1.75%	1.00%	1.25%	0.25%	0.50%	0.50%	1.00%
Commitment fee percentage																				0.65%	0.40%	0.50%	0.25%
Commitments that exceed utilization																				50.00%		50.00%
Consolidated interest coverage ratio																															3.0
Consolidated net leverage ratio																					3.75
Amount utilized from long-term lines of credit					53,542,000	53,542,000	53,558,000	53,558,000																						360,100,000	407,100,000
Interest rate percentage																									5.75%		6.125%	7.20%
Fixed charge coverage ratio																														1.1
Less than outstanding commitments																														15.00%
Aggregate principal amount of debts																								500,000,000			900,000,000	400,000,000
Aggregate principal amount of notes repurchased																								298,248,000
Available amount under credit facility																														239,900,000	492,900,000
Increase in interest rate from rating agency downgrade																										0.25%		0.25%
Maximum increase in interest rate per agency from rating agency downgrade																										1.00%		1.00%
Increase in interest expense per quarter for .25% increase in notes per $100,000 of outstanding notes	25,760,000	39,031,000	52,355,000	72,939,000																						63		63
Incremental increase in outstanding notes																										$ 100,000		$ 100,000
Aggregate amount of increase in interest rate from rating agency downgrade																										0.75%		0.75%
Effect of each 0.25% increase in the interest rate notes on interest expense			would increase the Company's interest expense by approximately $63 per quarter per $100,000 of outstanding notes