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Intangible Assets - Additional Information (Details) - Software licenses - CAD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Disclosure of detailed information about intangible assets [line Items]
Software financing obligations	$ 32.7	$ 33.5
Non cash portion of financial leases additions	$ 19.3	$ 44.4

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- 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.

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No definition available.

+ Details

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- Definition

Non cash portion of software additions.

+ References

No definition available.

+ Details

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Namespace Prefix:	stn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- 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

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- Details

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