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v3.19.3

Subsequent Event (Details) - 2019 Senior Secured Credit Facility - Subsequent Event | Oct. 18, 2019 renewal_option
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Subsequent Event [Line Items] |
Number of options to extend maturity (up to) | 2
Additional maturity period extended | 1 year

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- Definition Line of Credit Facility, Additional Maturity Period Extended + References No definition available. + Details
Name: | mhk_LineofCreditFacilityAdditionalMaturityPeriodExtended
Namespace Prefix: | mhk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line of Credit Facility, Number of Options to Extend Maturity + References No definition available. + Details
Name: | mhk_LineofCreditFacilityNumberofOptionstoExtendMaturity
Namespace Prefix: | mhk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_CreditFacilityAxis=mhk_A2019SeniorSecuredCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |