Debt Instrument, Redemption Fee

No definition available.

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Namespace Prefix:	mhk_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Debt Instrument, Redemption Premium

+ References

No definition available.

+ Details

Name:	mhk_DebtInstrumentRedemptionPremium
Namespace Prefix:	mhk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Increase in interest rate from rating agency downgrade.

+ References

No definition available.

+ Details

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

- Definition

Incremental Increase In Outstanding Notes

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: 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 2: 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=34725769&loc=d3e28878-108400

+ Details

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

- 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
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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

- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 9

-Article 9

+ Details

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

- 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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Namespace Prefix:
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Period Type:

Long-Term Debt (Senior Notes) (Details) (USD $)	12 Months Ended			0 Months Ended
Long-Term Debt (Senior Notes) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2013	Nov. 03, 2014	Aug. 15, 2014	Jan. 17, 2006
Debt Instrument [Line Items]
Increase in interest expense per quarter for .25% increase in notes per $100,000 of outstanding notes	$ 98,207,000us-gaap_InterestExpense	$ 92,246,000us-gaap_InterestExpense	$ 74,713,000us-gaap_InterestExpense
3.85% Senior Notes Due February 1, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debts				600,000,000
Interest rate percentage	3.85%			3.85%
Payment of financing costs				6,000,000
6.125% Notes, Payable January 15, 2016 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debts							900,000,000
Interest rate percentage	6.125%						6.125%
Increase in interest rate from rating agency Downgrade	0.25%
Maximum increase in interest rate per agency from rating agency downgrade	1.00%
Increase in interest expense per quarter for .25% increase in notes per $100,000 of outstanding notes	63,000
Incremental increase in outstanding notes							100,000,000
Amount of debt repurchased					54,400,000	200,000,000
Price as a percentage of the principal amount debt repurchased					106.38%	107.73%
6.125% Notes, Payable January 15, 2016 [Member] \| Interest Expense [Member]
Debt Instrument [Line Items]
Premium from redeeming senior notes					3,500,000	15,450,000
Fees resulting from redemption of senior notes						$ 1,080,000