XML 232 R217.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Subsequent Events - Additional Information (Detail) € in Thousands, ¥ in Millions |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Apr. 09, 2024 EUR (€) | Jan. 31, 2024 EUR (€) | Dec. 31, 2023 EUR (€) | Jan. 31, 2024 CNY (¥)
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Amount paid back to parent's majority shareholder |  |  | € 2,500 |
Events After Reporting Period |  |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |  |
Long-term debt nominal amount |  | € 3,000 |  |
Long-term debt interest rate basis |  | Euribor 3 M |  |
Long-term debt interest rate spread | 2.50% | 2.95% |  | 2.95%
Debt guaranteeing loan percentage |  | 90.00% |  |
Revolving credit line |  | € 3,821 |  | ¥ 30
Amount paid back to parent's majority shareholder | € 2,500 |  |  |
Interest-bearing loan effective date | Mar. 31, 2024 |  |  |
Interest bearing loan maturity date | Mar. 31, 2027 |  |  |

X
- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_BorrowingsInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
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_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + 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_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount Paid Back to Parent's Majority Shareholder. + References No definition available. + Details
Name: | ntz_AmountPaidBackToParentsMajorityShareholder
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The borrowings interest-bearing loan effective date. + References No definition available. + Details
Name: | ntz_BorrowingsInterestBearingLoanEffectiveDate
Namespace Prefix: | ntz_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The borrowings interest-bearing loan maturity date. + References No definition available. + Details
Name: | ntz_BorrowingsInterestBearingLoanMaturityDate
Namespace Prefix: | ntz_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Guaranteeing Loan Percentage + References No definition available. + Details
Name: | ntz_DebtGuaranteeingLoanPercentage
Namespace Prefix: | ntz_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying value of revolving credit line. + References No definition available. + Details
Name: | ntz_RevolvingCreditLine
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ntz_EventsAfterReportingPeriodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |