XML 153 R140.htm IDEA: XBRL DOCUMENT
v3.23.1

Lease liabilities (non-current and current) - Summary of Maturity Analysis of Contractual Undiscounted Cash Flows of Lease Liabilities (Details) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of Non Current and Current Portion of the Lease Liabilities [Line Items] |  |
Undiscounted lease liabilities | € 61,340 | € 65,854
Later than one year [member] |  |
Disclosure of Non Current and Current Portion of the Lease Liabilities [Line Items] |  |
Undiscounted lease liabilities | 13,404 | 13,130
One to five years (member) |  |
Disclosure of Non Current and Current Portion of the Lease Liabilities [Line Items] |  |
Undiscounted lease liabilities | 35,116 | 38,419
More than 5 years [member] |  |
Disclosure of Non Current and Current Portion of the Lease Liabilities [Line Items] |  |
Undiscounted lease liabilities | € 12,820 | € 14,305

X
- Definition Disclosure Of Non Current And Current Portion Of The Lease Liabilities [line items]. + References No definition available. + Details
Name: | ntz_DisclosureOfNonCurrentAndCurrentPortionOfTheLeaseLiabilitiesLineItems
Namespace Prefix: | ntz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease liabilities undiscounted cash flows. + References No definition available. + Details
Name: | ntz_LeaseLiabilitiesUndiscountedCashFlows
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |