XML 120 R92.htm IDEA: XBRL DOCUMENT v3.8.0.1

Trade and Other Receivables - Schedule of Gross Trade Receivables Aging Analysis (Detail) - CAD CAD in Millions	Dec. 31, 2017	Dec. 31, 2016
Trade and other receivables [line items]
Trade receivables	CAD 775.7	CAD 768.9
1-30 Days [member]
Trade and other receivables [line items]
Trade receivables	406.5	413.6
31-60 Days [member]
Trade and other receivables [line items]
Trade receivables	183.6	159.5
61-90 Days [member]
Trade and other receivables [line items]
Trade receivables	60.0	61.7
91-120 Days [member]
Trade and other receivables [line items]
Trade receivables	39.4	44.1
121+ Days [member]
Trade and other receivables [line items]
Trade receivables	CAD 86.2	CAD 90.0

X

- Definition

Gross trade receivables.

+ References

No definition available.

+ Details

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

X

- Definition

Trade and other receivables.

+ References

No definition available.

+ Details

Name:	stn_TradeAndOtherReceivablesLineItems
Namespace Prefix:	stn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_MaturityAxis=stn_OneToThirtyDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=stn_ThirtyOneToSixtyDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=stn_SixtyOneToNinetyDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=stn_NinetyOneDaysToOneTwentyDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=stn_AboveOneTwentyOneDaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: