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Revenue - Disclosure Of Performance Obligations (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 CAD ($)
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | $ 4,526,917
Less than one year [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 2,110,042
One to two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 540,369
Greater than two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 1,876,506
Energy Infrastructure [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 2,869,028
Energy Infrastructure [Member] | Less than one year [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 550,009
Energy Infrastructure [Member] | One to two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 492,096
Energy Infrastructure [Member] | Greater than two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 1,826,923
After Market Services [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 152,019
After Market Services [Member] | Less than one year [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 76,260
After Market Services [Member] | One to two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 26,176
After Market Services [Member] | Greater than two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 49,583
Engineered Systems [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 1,505,870
Engineered Systems [Member] | Less than one year [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 1,483,773
Engineered Systems [Member] | One to two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | 22,097
Engineered Systems [Member] | Greater than two years [Member] |
Disclosure of performance obligations [line items] |
Revenue from performance obligations satisfied or partially satisfied in previous periods | $ 0

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- Definition The amount of revenue from performance obligations satisfied (or partially satisfied) in previous periods. [Refer: Performance obligations [member]; Revenue from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2022-03-24 -Paragraph 116 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_116_c&doctype=Standard -URIDate 2022-03-24 + Details
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