XML 94 R80.htm IDEA: XBRL DOCUMENT
v3.23.1

Summary of Significant Accounting Policies - Summary of Principal Foreign Currency Exchange Rates Used by the Group (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2022 CNY (¥) USD ($) MXN ($) HKD ($) SEK (kr) INR (₨) CHF (SFr) SGD ($) JPY (¥) GBP (£) | Dec. 31, 2021 SEK (kr) INR (₨) CHF (SFr) SGD ($) JPY (¥) GBP (£) USD ($) MXN ($) HKD ($) CNY (¥) | Dec. 31, 2020 HKD ($) CNY (¥) USD ($) MXN ($) SEK (kr) INR (₨) CHF (SFr) SGD ($) JPY (¥) GBP (£)
CNY |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | ¥ | 7.4229 | 7.2197 | 8.025
Average | ¥ | 7.0714 | 7.6372 | 7.8704
CHF |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | SFr | 0.9841 | 1.0347 | 1.0844
Average | SFr | 1.0036 | 1.0818 | 1.0706
GBP |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | £ | 0.8843 | 0.8389 | 0.9027
Average | £ | 0.8519 | 0.8603 | 0.8891
HKD |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | 8.3095 | 8.8304 | 9.5354
Average | 8.239 | 9.1986 | 8.8482
INR |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | ₨ | 88.1789 | 84.3226 | 90.0633
Average | ₨ | 82.5907 | 87.5124 | 84.4913
JPY |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | ¥ | 141.7666 | 130.2725 | 126.9056
Average | ¥ | 137.737 | 129.8404 | 121.8322
MXN |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | 20.7529 | 23.1683 | 24.465
Average | 21.0553 | 24.0754 | 24.3566
SEK |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | kr | 11.1472 | 10.2407 | 10.0791
Average | kr | 10.6281 | 10.1418 | 10.4784
SGD |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | 1.4321 | 1.5303 | 1.6273
Average | 1.4499 | 1.5902 | 1.5734
USD |  |  |
Fluctuation Of The Main Currencies The Group Is Using Against Euro [Line Items] |  |  |
Exchange rate | 1.0658 | 1.1324 | 1.2299
Average | 1.0521 | 1.1835 | 1.1408

X
- Definition The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_AverageForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ClosingForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fluctuation of the main currencies the group is using against euro. + References No definition available. + Details
Name: | lanv_FluctuationOfTheMainCurrenciesTheGroupIsUsingAgainstEuroLineItems
Namespace Prefix: | lanv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CHF
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_HKD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_INR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_JPY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_MXN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_SEK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_SGD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |