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Segmented Information - Summary Of Detailed Information About Geographical Areas (Detail) - CAD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of geographical areas [line items] |  |  |
Segment revenue | $ 1,874,760 | $ 989,807 |
Intersegment revenue | (96,962) | (29,651) |
Revenue | 1,777,798 | 960,156 |
Operating income | 2,272 | 54,291 |
Segment assets | 3,307,910 | 2,201,974 |
Goodwill | 679,377 | 566,270 | $ 576,028
Corporate | 282,302 | (576,802) |
Total segment assets | 4,269,589 | 2,191,442 |
Energy Infrastructure [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 381,087 | 278,653 |
After-Market Services [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 443,660 | 327,376 |
Engineered Systems [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 953,051 | 354,127 |
NAM |  |  |
Disclosure of geographical areas [line items] |  |  |
Segment revenue | 1,303,885 | 680,062 |
Intersegment revenue | (93,778) | (29,463) |
Revenue | 1,210,107 | 650,599 |
Operating income | 14,769 | 18,041 |
Segment assets | 1,638,195 | 1,547,005 |
Goodwill | 224,992 | 242,804 |
Corporate | 0 | 0 |
Total segment assets | 1,863,187 | 1,789,809 |
NAM | Energy Infrastructure [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 141,900 | 103,096 |
NAM | After-Market Services [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 298,333 | 215,876 |
NAM | Engineered Systems [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 769,874 | 331,627 |
LATAM |  |  |
Disclosure of geographical areas [line items] |  |  |
Segment revenue | 221,628 | 106,160 |
Intersegment revenue | (434) | (95) |
Revenue | 221,194 | 106,065 |
Operating income | (14,654) | 6,575 |
Segment assets | 838,063 | 214,340 |
Goodwill | 89,264 | 85,622 |
Corporate | 0 | 0 |
Total segment assets | 927,327 | 299,962 |
LATAM | Energy Infrastructure [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 129,723 | 66,069 |
LATAM | After-Market Services [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 38,057 | 24,158 |
LATAM | Engineered Systems [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 53,414 | 15,838 |
EH |  |  |
Disclosure of geographical areas [line items] |  |  |
Segment revenue | 349,247 | 203,585 |
Intersegment revenue | (2,750) | (93) |
Revenue | 346,497 | 203,492 |
Operating income | 2,157 | 29,675 |
Segment assets | 831,652 | 440,629 |
Goodwill | 365,121 | 237,844 |
Corporate | 0 | 0 |
Total segment assets | 1,196,773 | 678,473 |
EH | Energy Infrastructure [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 109,464 | 109,488 |
EH | After-Market Services [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 107,270 | 87,342 |
EH | Engineered Systems [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | $ 129,763 | $ 6,662 |

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