Finance Lease, Liability and Other, Fair Value

No definition available.

Name:	mhk_FinanceLeaseLiabilityandOtherFairValue
Namespace Prefix:	mhk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types: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.

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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

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+ Details

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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

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Namespace Prefix:
Data Type:	na
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- Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=mhk_TwoPercentSeniorNotesDueJanuaryFourteenTwoThousandTwentyTwoMember
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Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Debt - Fair Value and Carrying Value of Debt Instruments (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Dec. 31, 2020	Jun. 12, 2020	May 14, 2020	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	$ 958,781	$ 377,255
1.750% senior notes due June 12, 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate percentage	1.75%		1.75%
3.625% senior notes due May 15, 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate percentage	3.625%			3.625%
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]
Finance leases and other	$ 49,666	46,302
Unamortized debt issuance costs	(9,885)	(11,176)
Total debt	2,806,731	2,864,942
Less current portion of long term debt and commercial paper	962,826	376,989
Long-term debt, less current portion	1,843,905	2,487,953
Fair Value \| 1.750% senior notes due June 12, 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	636,434	635,664
Fair Value \| 3.625% senior notes due May 15, 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	550,985	561,890
Fair Value \| 3.85% senior notes due February 1, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	626,382	638,844
Fair Value \| 2.00% senior notes due January 14, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	596,957	624,680
Fair Value \| Floating rate notes due September 04, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	356,192	368,738
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance leases and other	49,666	46,302
Unamortized debt issuance costs	(9,885)	(11,176)
Total debt	2,682,075	2,734,142
Less current portion of long term debt and commercial paper	958,781	377,255
Long-term debt, less current portion	1,723,294	2,356,887
Carrying Value \| 1.750% senior notes due June 12, 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	593,190	615,006
Carrying Value \| 3.625% senior notes due May 15, 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	500,000	500,000
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	593,190	615,006
Carrying Value \| Floating rate notes due September 04, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	$ 355,914	$ 369,004