XML 229 R215.htm IDEA: XBRL DOCUMENT
v3.25.1

Expenses by Nature - Summary of Expenses by Nature (Detail) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Expense By Nature [Abstract] |  |  |
Changes in inventories | € (728) | € 8,033 | € 10,091
Purchases of raw materials | 92,851 | 92,457 | 152,181
Purchases of finished products | 21,393 | 20,459 | 27,751
Services costs | 69,296 | 75,457 | 110,773
Employee benefits expenses | 116,517 | 119,249 | 130,414
Depreciation and amortisation, net of government grants | 19,733 | 20,724 | 20,177
Other | 10,256 | 8,364 | 13,165
Total cost of sales, selling and administrative expenses | € 329,318 | € 344,743 | € 464,552

X
- Definition The decrease (increase) in inventories of finished goods and work in progress. [Refer: Inventories; Current finished goods; Current work in progress] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_102&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_102&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 104 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_104&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_EmployeeBenefitsExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ExpenseByNature
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 102 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_102&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 99 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_99&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherExpenseByNature
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense arising from services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ServicesExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Depreciation and amortization net of government grants. + References No definition available. + Details
Name: | ntz_DepreciationAndAmortizationNetOfGovernmentGrants
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure Of Expense By Nature [abstract]. + References No definition available. + Details
Name: | ntz_DisclosureOfExpenseByNatureAbstract
Namespace Prefix: | ntz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchases of finished products. + References No definition available. + Details
Name: | ntz_PurchasesOfFinishedProducts
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Purchases of raw materials. + References No definition available. + Details
Name: | ntz_PurchasesOfRawMaterials
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration