XML 111 R91.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Intangible Assets - Additional Information (Details) - CAD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Software licenses |  |
Disclosure of detailed information about intangible assets [line Items] |  |
Software financing obligations | $ 41.5 | $ 15.4

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: | ifrs-full_DisclosureOfIntangibleAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Software financing obligation. + References No definition available. + Details
Name: | stn_SoftwareFinancingObligation
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=stn_SoftwareLicensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |