XML 75 R63.htm IDEA: XBRL DOCUMENT
v3.21.2

Commitments and Contingencies (Details) € in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 05, 2021 complaint | Apr. 23, 2021 complaint | Dec. 22, 2020 EUR (€) | Oct. 22, 2020 EUR (€) | Mar. 10, 2020 EUR (€) | Jun. 30, 2021 EUR (€) | Dec. 31, 2016 EUR (€) | Dec. 31, 2014 EUR (€)
Georgia State Court Investor Actions |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of complaints | complaint |  | 4 |  |  |  |  |  |
Georgia State Court Investor Actions | Pending Litigation | Subsequent Event |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of complaints | complaint | 4 |  |  |  |  |  |  |
Belgium | Foreign tax authority | 2005 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | € 46,135
Belgium | Foreign tax authority | 2006 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | 38,817
Belgium | Foreign tax authority | 2007 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | 39,635
Belgium | Foreign tax authority | 2008 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | 30,131
Belgium | Foreign tax authority | 2009 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | 25,486
Belgium | Foreign tax authority | 2010 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  |  |  | € 43,117
Belgium | Foreign tax authority | 2016 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  | € 67,959 |  | € 67,959 |
Belgium | Foreign tax authority | 2017 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  | € 17,655 |  |  |  |  |
LUXEMBOURG | Foreign tax authority | 2016 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  | € 81,651 |  |
LUXEMBOURG | Foreign tax authority | 2017 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  | € 65,152 |  |  |  |
LUXEMBOURG | Foreign tax authority | 2013 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  | € 45,466 |  |  |  |
LUXEMBOURG | Foreign tax authority | 2014 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  | 57,545 |  |
LUXEMBOURG | Foreign tax authority | 2015 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  | 72,704 |  |
LUXEMBOURG | Foreign tax authority | 2018 |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  |  |  | € 49,178 |  |

X
- Definition Commitments and contingencies [line items] + References No definition available. + Details
Name: | mhk_CommitmentsAndContingenciesLineItems
Namespace Prefix: | mhk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign Tax Assessment + References No definition available. + Details
Name: | mhk_ForeignTaxAssessment
Namespace Prefix: | mhk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Loss Contingency, Number of Complaints + References No definition available. + Details
Name: | mhk_LossContingencyNumberOfComplaints
Namespace Prefix: | mhk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_LitigationCaseAxis=mhk_GeorgiaStateCourtInvestorActionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_StatementGeographicalAxis=country_BE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mhk_TaxYear2005Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2006Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2008Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2009Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2010Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_LU
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |