XML 158 R148.htm IDEA: XBRL DOCUMENT
v3.19.1

Trade Payables - Summary of Trade Payables (Detail) - EUR (€) € in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2017
--- | --- | --- | ---
Trade and other current payables [abstract] |  |  |
Invoices received | € 57,325 | € 63,165 | € 61,282
Invoices to be received | 20,576 | 12,870 | 9,175
Trade payables | € 77,901 | € 76,035 | € 70,457

X
- Definition The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph k -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_k&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_TradeAndOtherCurrentPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_TradeAndOtherCurrentPayablesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Trade and other current payables, invoices received. + References No definition available. + Details
Name: | ntz_TradeAndOtherCurrentPayablesInvoicesReceived
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Trade and other current payables, invoices to be received + References No definition available. + Details
Name: | ntz_TradeAndOtherCurrentPayablesInvoicesToBeReceived
Namespace Prefix: | ntz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant