XML 124 R93.htm IDEA: XBRL DOCUMENT
v3.22.4

INCOME TAXES - Deferred income tax assets (liabilities) rollforward (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
INCOME TAXES |  |
Deferred income tax assets-gross | $ 47,321 | $ 43,852
Set-off against deferred income tax liabilities | (47,321) | (43,852)
Deferred income tax assets-per balance sheet | 0 | 0
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (52,271) | (51,071)
Set-off of deferred income tax assets | 47,321 | 43,852
Deferred income tax liabilities-per balance sheet | (4,950) | (7,219)
Other. |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 8,077 | 7,942
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (1,272) | (1,132)
Non-capital tax loss carry forwards |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 20,070 | 16,910
Investments equity instruments and uranium |  |
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (9,483) | (6,862)
Capital loss carry forward |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 9,483 | 6,862
Inventory |  |
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (759) | (755)
Reclamation obligations |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 8,990 | 11,420
Post-employment benefits |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 314 | 331
Property, plant and equipment, net |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 387 | 387
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | $ (40,757) | $ (42,322)

X
- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. + References No definition available. + Details
Name: | dnn_DeferredTaxesLiabilities
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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: | dnn_DisclosureOfDeferredIncomeTaxAssetsLiabilitiesLineItems
Namespace Prefix: | dnn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred income tax assets-gross. + References No definition available. + Details
Name: | dnn_GrossDeferredTaxAssets
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred income tax liabilities-gross. + References No definition available. + Details
Name: | dnn_GrossDeferredTaxLiabilities
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of set-off against deferred income tax liabilities. + References No definition available. + Details
Name: | dnn_SetOffAgainstDeferredIncomeTaxLiabilities
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of set-off of deferred income tax assets. + References No definition available. + Details
Name: | dnn_SetOffOfDeferredIncomeTaxAssets
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_o&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_56&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DeferredTaxAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=dnn_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=dnn_NonCapitalTaxLossCarryForwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=dnn_InvestmentsequityinstrumentsanduraniumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=dnn_CapitalLossCarryForwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=dnn_InventoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfLiabilitiesAxis=dnn_ReclamationObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=dnn_PostEmploymentBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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