XML 146 R121.htm IDEA: XBRL DOCUMENT
v3.24.0.1

CAPITAL MANAGEMENT AND FINANCIAL RISK - Net U.S dollar-denominated assets (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 CAD ($)
CAD weakens |
CAPITAL MANAGEMENT AND FINANCIAL RISK |
Foreign Exchange Rate | 1.3226
Sensitivity Foreign Exchange Rate | 1.1903
Change in net income (loss) | $ 30,081
CAD strengthens |
CAPITAL MANAGEMENT AND FINANCIAL RISK |
Foreign Exchange Rate | 1.3226
Sensitivity Foreign Exchange Rate | 1.4549
Change in net income (loss) | $ (30,081)

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

X
- References No definition available. + Details
Name: | dnn_EquityPriceRiskChangeInNetIncomeLoss
Namespace Prefix: | dnn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | dnn_SensitivityForeignExchangeRate
Namespace Prefix: | dnn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AverageForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=dnn_CanadianDollarWeakensMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=dnn_CanadianDollarStrengthensMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |