XML 103 R78.htm IDEA: XBRL DOCUMENT v3.24.0.1

RECLAMATION OBLIGATIONS - Additional information (Details) - CAD ($)	Dec. 31, 2023	Dec. 31, 2022
Reclamation Obligations
Deposit by Joint Venture Partner	$ 99,000
Chartered Bank | Letters Of Credit [Member]
Reclamation Obligations
Total borrowing	992,000
Elliot Lake [Member]
Reclamation Obligations
Undiscounted amount of estimated future reclamation costs	$ 45,283,000	$ 40,166,000
Discounted rate	5.45%	5.71%
MLJV and MWJV
Reclamation Obligations
Undiscounted amount of estimated future reclamation costs	$ 24,333,000	$ 23,601,000
Discounted rate	5.45%	5.71%
Reclamation obligations credit facility	$ 22,972,000
Wheeler River and Other
Reclamation Obligations
Undiscounted amount of estimated future reclamation costs	$ 3,260,000	$ 3,601,000
Discounted rate	5.45%	5.71%

X

- Definition

Amount of deposit received from joint venture partner.

+ References

No definition available.

+ Details

Name:	dnn_DepositReceivedFromJointVenturePartner
Namespace Prefix:	dnn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the rate used as a measurement input in valuation techniques based on a present value calculation.

+ References

No definition available.

+ Details

Name:	dnn_DiscountedRate
Namespace Prefix:	dnn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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_ReclamationObligationsLineItems
Namespace Prefix:	dnn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the Company's best estimate of the present value of the total future reclamation cost, based on assumptions as to what levels of treatment will be required in the future.

+ References

No definition available.

+ Details

Name:	dnn_UndiscountedFutureReclamationCosts
Namespace Prefix:	dnn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of exposure to loss resulting from credit risk. [Refer: Credit risk [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expired 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 36
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_c&doctype=Standard&book=b
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Note Expired 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph IG24
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG24_b&doctype=Implementation%20Guidance&book=b
-URIDate 2023-03-23

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Note Expired 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph IG25
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG25_a&doctype=Implementation%20Guidance&book=b
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CreditExposure
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=dnn_CharteredBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dnn_LongTermBorrowingsTypeAxis=dnn_LettersOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=dnn_ElliotLakeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=dnn_MccleanLakeAndMidwestJointVenturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=dnn_WheelerRiverAndOtherJointVenturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: