Capital Leases And Other, Fair Value

No definition available.

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

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(2))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommercialPaper
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

+ Details

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

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

+ Details

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

- 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.

+ References

No definition available.

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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

- Definition

Fair value portion of notes payable.

+ References

+ Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Fair Value and Carrying Value of Debt Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 09, 2015	Jan. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Less current portion of long-term debt and commercial paper	$ 1,146,511	$ 1,203,683
3.85% Senior Notes due February 1, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate percentage	3.85%			3.85%
2.00% Senior Notes due January 14, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate percentage	2.00%		2.00%
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Capital leases and other	$ 23,189	6,934
Unamortized debt issuance costs	(6,142)	(6,260)
Total debt	3,067,324	2,821,176
Less current portion of long-term debt and commercial paper	1,145,481	1,203,683
Long-term debt, less current portion	1,921,843	1,617,493
Fair Value \| 3.85% Senior Notes due February 1, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	606,348	622,752
Fair Value \| 2.00% Senior Notes due January 14, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	614,936	634,193
Fair Value \| Floating Rate Notes due September 11, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	351,115	360,807
Fair Value \| Floating Rate Notes due May 18, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	349,437	0
Fair Value \| 2015 Senior Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	59,233	62,104
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Capital leases and other	23,189	6,934
Unamortized debt issuance costs	(6,142)	(6,260)
Total debt	3,030,534	2,763,578
Less current portion of long-term debt and commercial paper	1,146,511	1,203,683
Long-term debt, less current portion	1,884,023	1,559,895
Carrying Value \| 3.85% Senior Notes due February 1, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	600,000	600,000
Carrying Value \| 2.00% Senior Notes due January 14, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	584,112	600,096
Carrying Value \| Floating Rate Notes due September 11, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	350,467	360,058
Carrying Value \| Floating Rate Notes due May 18, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	350,467	0
Carrying Value \| 2015 Senior Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	59,233	62,104
United States \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Commercial paper	508,460	228,500
United States \| Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Commercial paper	508,460	228,500
Europe \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Commercial paper	560,748	912,146
Europe \| Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Commercial paper	$ 560,748	$ 912,146