XML 117 R103.htm IDEA: XBRL DOCUMENT v3.25.1

Property, Plant and Equipment - Additional Information (Detail) € in Thousands	12 Months Ended
	Dec. 31, 2024 EUR (€) Store	Dec. 31, 2023 EUR (€) Store	Dec. 31, 2022 EUR (€)
Disclosure of detailed information about property, plant and equipment [line items]
Gain on disposals of property, plant and equipment	€ 3	€ 4	€ 157
Property, plant and equipment temporarily idle	4,744	5,568
Property subject to mortgage	32,231	31,576
Impairment reversal	€ 143	€ 40
Top of range [member]
Disclosure of detailed information about property, plant and equipment [line items]
Terminal growth rate	0.02
Bottom of range [member]
Disclosure of detailed information about property, plant and equipment [line items]
Terminal growth rate	0
United States of America [member]
Disclosure of detailed information about property, plant and equipment [line items]
Number of stores | Store	2
Italy [member]
Disclosure of detailed information about property, plant and equipment [line items]
Number of stores | Store	2	3
Spain [member]
Disclosure of detailed information about property, plant and equipment [line items]
Number of stores | Store	1	3
United Kingdom [member]
Disclosure of detailed information about property, plant and equipment [line items]
Number of stores | Store		1
Italian upholstered furniture plant [member]
Disclosure of detailed information about property, plant and equipment [line items]
Weighted average cost of capital rate	8.99%
Long-term growth rate	2.01%
Annual sales growth rate for 2025	38.11%
Annual sales growth rate (average of 2026-2029 period)	5.00%
Directly operated retail stores CGUs [member] | United States of America [member]
Disclosure of detailed information about property, plant and equipment [line items]
Weighted average cost of capital rate	9.98%
Long-term growth rate	2.54%
Annual sales growth rate for 2025	12.04%
Annual sales growth rate (average of 2026-2029 period)	9.52%
Directly operated retail stores CGUs [member] | Italy [member]
Disclosure of detailed information about property, plant and equipment [line items]
Weighted average cost of capital rate	8.99%
Long-term growth rate	2.01%
Annual sales growth rate for 2025	16.86%
Annual sales growth rate (average of 2026-2029 period)	5.24%
Directly operated retail stores CGUs [member] | Spain [member]
Disclosure of detailed information about property, plant and equipment [line items]
Weighted average cost of capital rate	8.93%
Long-term growth rate	2.10%
Annual sales growth rate for 2025	15.19%
Annual sales growth rate (average of 2026-2029 period)	5.48%
Directly operated retail stores CGUs [member] | United Kingdom [member]
Disclosure of detailed information about property, plant and equipment [line items]
Weighted average cost of capital rate	8.97%
Long-term growth rate	2.85%
Annual sales growth rate for 2025	4.95%
Annual sales growth rate (average of 2026-2029 period)	8.96%
Gross carrying amount [member]
Disclosure of detailed information about property, plant and equipment [line items]
Impairment loss	€ 0	€ 118

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_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The gain on the disposal of property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 98
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_GainsOnDisposalsOfPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of temporarily idle property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 79
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_79_a&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PropertyPlantAndEquipmentTemporarilyIdle
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount recognised as an increase of the carrying amount of an asset or cash-generating unit to its recoverable amount when an impairment loss had been previously recognised. [Refer: Impairment loss]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 130
-Subparagraph d
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 130
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ReversalOfImpairmentLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Annual sales growth rate for current period.

+ References

No definition available.

+ Details

Name:	ntz_AnnualSalesGrowthRateForCurrentPeriod
Namespace Prefix:	ntz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Average annual sales growth rate for future period.

+ References

No definition available.

+ Details

Name:	ntz_AverageAnnualSalesGrowthRateForFuturePeriod
Namespace Prefix:	ntz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Long-term growth rate.

+ References

No definition available.

+ Details

Name:	ntz_LongTermGrowthRate
Namespace Prefix:	ntz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of store.

+ References

No definition available.

+ Details

Name:	ntz_NumberOfStore
Namespace Prefix:	ntz_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Properties Pledged As Collateral.

+ References

No definition available.

+ Details

Name:	ntz_PropertiesPledgedAsCollateral
Namespace Prefix:	ntz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Property, plant and equipment Impairment loss.

+ References

No definition available.

+ Details

Name:	ntz_PropertyPlantAndEquipmentImpairmentLoss
Namespace Prefix:	ntz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Terminal growth rate.

+ References

No definition available.

+ Details

Name:	ntz_TerminalGrowthRate
Namespace Prefix:	ntz_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average cost of capital rate.

+ References

No definition available.

+ Details

Name:	ntz_WeightedAverageCostOfCapitalRate
Namespace Prefix:	ntz_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_IT
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_ES
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_GB
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis=ntz_ItalianUpholsteredFurniturePlantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis=ntz_DirectlyOperatedRetailStoresCashGeneratingUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: