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v3.20.1

Summary of Significant Accounting Policies - Disclosure of Detailed Information About Estimated Useful Lives of Property, Plant and Equipment (Details) | 12 Months Ended
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Jan. 31, 2020
Leasehold Improvements [Member] |
Statement Line Items [Line Items] |
Useful lives or depreciation rates, property, plant and equipment | 1 - 10 years
Plant, Furniture, Fittings and Motor Vehicles [Member] |
Statement Line Items [Line Items] |
Useful lives or depreciation rates, property, plant and equipment | 3 - 7 years

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- Definition Statement Line Items. + References No definition available. + Details
Name: | NAKD_IfrsStatementLineItems
Namespace Prefix: | NAKD_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The useful lives or depreciation rates used for property, plant and equipment. [Refer: Property, plant and equipment]. + References No definition available. + Details
Name: | NAKD_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment1
Namespace Prefix: | NAKD_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=NAKD_PropertyPlantAndEquipmentOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |