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Investment Tax Credit (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Investment Tax Credits [Abstract] |  |
Investment tax credits | $ 14.5 | $ 9.9

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- Definition Investment Tax Credits + References No definition available. + Details
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- Definition Investment Tax Credits + References No definition available. + Details
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Namespace Prefix: | stn_
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