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: