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POST EMPLOYMENT BENEFITS (Details Narrative) | Dec. 31, 2021
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Statement [Line Items] |
Discount Rate | 1.75%
2020[Member] |
Statement [Line Items] |
Medical cost rate | 4.09%
Dental cost rate | 4.50%
Per Year By 2026 [Member] |
Statement [Line Items] |
Medical cost rate | 5.30%
Dental cost rate | 5.30%
Per Year From 2026 To 2030 [Member] |
Statement [Line Items] |
Medical cost rate | 5.30%
Dental cost rate | 5.30%
Per Year From 2031 Through To 2041 [Member] |
Statement [Line Items] |
Medical cost rate | 4.05%
Dental cost rate | 4.05%

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Namespace Prefix: | dnn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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Namespace Prefix: | dnn_
Data Type: | num:percentItemType
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- Details
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