XML 165 R144.htm IDEA: XBRL DOCUMENT
v3.20.4

Cash Flow Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 CAD ($)
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | $ 1,565.9
Proceeds | 363.8
Transaction costs | (2.1)
Repayments or payments | (752.5)
Non-cash changes |
Foreign exchange | 0.8
Additions and modifications | 76.6
Dividends declared | 69.1
Other | 6.2
Ending balance | 1,327.8
Lease liabilities |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 688.9
Proceeds | 2.8
Transaction costs | 0.0
Repayments or payments | (129.3)
Non-cash changes |
Foreign exchange | (1.6)
Additions and modifications | 66.2
Dividends declared | 0.0
Other | 2.8
Ending balance | 629.8
Software financing obligations |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 15.7
Proceeds | 0.0
Transaction costs | 0.0
Repayments or payments | (13.0)
Non-cash changes |
Foreign exchange | 0.2
Additions and modifications | 0.4
Dividends declared | 0.0
Other | 0.1
Ending balance | 3.4
Dividends |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 16.1
Proceeds | 0.0
Transaction costs | 0.0
Repayments or payments | (68.0)
Non-cash changes |
Foreign exchange | 0.0
Additions and modifications | 0.0
Dividends declared | 69.1
Other | 0.0
Ending balance | 17.2
Senior unsecured notes |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 0.0
Proceeds | 300.0
Transaction costs | (2.1)
Repayments or payments | 0.0
Non-cash changes |
Foreign exchange | 0.0
Additions and modifications | 0.0
Dividends declared | 0.0
Other | 1.6
Ending balance | 299.5
Revolving credit facility |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 756.5
Proceeds | 61.0
Transaction costs | 0.0
Repayments or payments | (509.0)
Non-cash changes |
Foreign exchange | 0.0
Additions and modifications | 0.0
Dividends declared | 0.0
Other | 0.6
Ending balance | 309.1
Notes payable |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |
Beginning balance | 88.7
Proceeds | 0.0
Transaction costs | 0.0
Repayments or payments | (33.2)
Non-cash changes |
Foreign exchange | 2.2
Additions and modifications | 10.0
Dividends declared | 0.0
Other | 1.1
Ending balance | $ 68.8

X
- References No definition available. + Details
Name: | ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 44B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_44B_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 44B -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_44B_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 44D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_44D&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Increase decrease through dividends declared. + References No definition available. + Details
Name: | stn_IncreaseDecreaseThroughDividendsDeclared
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease through new liabilities arising from financing activities. + References No definition available. + Details
Name: | stn_IncreaseDecreaseThroughNewLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) through proceeds, liabilities arising from financing activities. + References No definition available. + Details
Name: | stn_IncreaseDecreaseThroughProceedsLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase decrease through repayments or payments liabilities arising from financing activities. + References No definition available. + Details
Name: | stn_IncreaseDecreaseThroughRepaymentsOrPaymentsLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) through transaction costs, liabilities arising from financing activities + References No definition available. + Details
Name: | stn_IncreaseDecreaseThroughTransactionCostsLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | stn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=stn_SoftwareFinancingObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=stn_DividendsToShareholdersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=stn_SeniorUnsecuredNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=stn_SeniorRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=stn_NotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |