XML 107 R92.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Material accounting policy information - Additional Information (Detail) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of initial application of standards or interpretations [line items] |  |  |
Expected loss rates payment period | 5 years |  |
Contractual payments period | 180 days |  |
Shipping and handling expenses | € 26,325 | € 55,912 | € 54,672
Advertising expenses | 5,936 | 6,193 | 5,576
Commission Expenses | € 5,861 | € 7,318 | € 7,503
Bottom of range [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Proportion of voting rights held in associate | 20.00% |  |
Bottom of range [member] | Software [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 3 years |  |
Bottom of range [member] | Trademarks and patents [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 3 years |  |
Bottom of range [member] | Other intangible assets [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 2 years |  |
Bottom of range [member] | Buildings [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 10 years |  |
Bottom of range [member] | Machinery and equipment [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 4 years |  |
Bottom of range [member] | Office furniture and equipment [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 5 years |  |
Bottom of range [member] | Retail gallery and store furnishing [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 3 years |  |
Bottom of range [member] | Leasehold improvements [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 5 years |  |
Top of range [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Proportion of voting rights held in associate | 50.00% |  |
Top of range [member] | Software [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 5 years |  |
Top of range [member] | Trademarks and patents [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 5 years |  |
Top of range [member] | Other intangible assets [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Intangible assets useful lives | 5 years |  |
Top of range [member] | Buildings [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 50 years |  |
Top of range [member] | Machinery and equipment [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 10 years |  |
Top of range [member] | Office furniture and equipment [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 10 years |  |
Top of range [member] | Retail gallery and store furnishing [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 4 years |  |
Top of range [member] | Leasehold improvements [member] |  |  |
Disclosure of initial application of standards or interpretations [line items] |  |  |
Property, plant and equipment useful lives | 10 years |  |

X
- Definition The amount of expense arising from advertising. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AdvertisingExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfInitialApplicationOfStandardsOrInterpretationsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_85&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_FeeAndCommissionExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The proportion of the voting rights in an associate held by the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ProportionOfVotingPowerHeldInAssociate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2023-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected loss rates payment periods. + References No definition available. + Details
Name: | ntz_ExpectedLossRatesPaymentPeriods
Namespace Prefix: | ntz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum period of failure to make contractual payments for write off of trade receivables and contract assets. + References No definition available. + Details
Name: | ntz_MinimumPeriodOfFailureToMakeContractualPaymentsForWriteOffOfTradeReceivablesAndContractAssets
Namespace Prefix: | ntz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shipping and handling expenses. + References No definition available. + Details
Name: | ntz_ShippingAndHandlingExpenses
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_ComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ntz_TrademarksAndPatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ntz_OfficeFurnitureAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ntz_RetailGalleryAndStoreFurnishingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |