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SEGMENTED INFORMATION - Revenue Commitments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 CAD ($)
Closed Mines Services [Member] | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	$ 4,915
Closed Mines Services [Member] | 2023 | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	4,448
Closed Mines Services [Member] | 2024 | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	467
Closed Mines Services [Member] | 2025 | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	0
Closed Mines Services [Member] | 2026 | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	0
Closed Mines Services [Member] | Thereafter | Environmental Services
SEGMENTED INFORMATION
Total revenue commitments	0
Closed Mines Group
SEGMENTED INFORMATION
Total revenue commitments	4,915
Closed Mines Group | 2023
SEGMENTED INFORMATION
Total revenue commitments	4,448
Closed Mines Group | 2024
SEGMENTED INFORMATION
Total revenue commitments	467
Closed Mines Group | 2025
SEGMENTED INFORMATION
Total revenue commitments	0
Closed Mines Group | 2026
SEGMENTED INFORMATION
Total revenue commitments	0
Closed Mines Group | Thereafter
SEGMENTED INFORMATION
Total revenue commitments	$ 0

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The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2022-03-24
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