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Segmented Information - Summary Of Detailed Information About Geographical Areas (Detail) - CAD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of geographical areas [line items] |  |  |  |  |
Segment revenue | $ 359,273 | $ 207,111 | $ 1,001,764 | $ 1,249,733 | $ 2,116,482
Intersegment revenue | (36,204) | (3,906) | (41,608) | (32,681) | (71,060)
Revenue | 323,069 | 203,205 | 960,156 | 1,217,052 | 2,045,422
Operating income (loss) | 6,839 | 7,021 | 54,291 | 116,012 | 231,908
Segment assets | 2,228,677 |  | 2,201,974 | 2,031,129 |
Goodwill | 563,215 |  | 566,270 | 576,028 | 573,928
Corporate | (564,917) |  | (576,802) | (427,581) |
Total segment assets | 2,226,975 |  | 2,191,442 | 2,179,576 |
Engineered Systems [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 174,431 | 72,232 | 354,127 | 598,566 | 1,448,503
Services [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 83,186 | 70,536 | 327,376 | 303,269 | 350,992
Energy Infrastructure [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 65,452 | 60,437 | 278,653 | 315,217 | 245,927
UNITED STATES |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Segment revenue | 182,755 | 84,965 | 497,630 | 649,133 | 1,243,760
Intersegment revenue | (35,291) | (3,019) | (27,247) | (16,847) | (48,091)
Revenue | 147,464 | 81,946 | 470,383 | 632,286 | 1,195,669
Operating income (loss) | 345 | 366 | 14,442 | 56,504 | 194,010
Segment assets | 985,255 |  | 1,000,755 | 895,022 |
Goodwill | 152,220 |  | 154,437 | 155,094 |
Corporate |  |  | 0 | 0 |
Total segment assets | 1,137,475 |  | 1,155,192 | 1,050,116 |
UNITED STATES | Engineered Systems [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 77,632 | 29,240 | 218,558 | 390,178 | 947,451
UNITED STATES | Services [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 42,249 | 30,114 | 153,722 | 150,939 | 172,130
UNITED STATES | Energy Infrastructure [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 27,583 | 22,592 | 98,103 | 91,169 | 76,088
Rest Of World [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Segment revenue | 109,394 | 70,517 | 309,695 | 353,210 | 354,680
Intersegment revenue | (78) | (6) | (138) | (199) | (7,846)
Revenue | 109,316 | 70,511 | 309,557 | 353,011 | 346,834
Operating income (loss) | 10,282 | 4,728 | 36,250 | 40,488 | 511
Segment assets | 691,812 |  | 654,969 | 610,597 |
Goodwill | 322,628 |  | 323,466 | 332,567 |
Corporate |  |  | 0 | 0 |
Total segment assets | 1,014,440 |  | 978,435 | 943,164 |
Rest Of World [Member] | Engineered Systems [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 49,292 | 8,442 | 22,500 | 40,485 | 76,813
Rest Of World [Member] | Services [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 23,034 | 25,911 | 111,500 | 96,092 | 111,357
Rest Of World [Member] | Energy Infrastructure [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 36,990 | 36,158 | 175,557 | 216,434 | 158,664
CANADA |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Segment revenue | 67,124 | 51,629 | 194,439 | 247,390 | 518,042
Intersegment revenue | (835) | (881) | (14,223) | (15,635) | (15,123)
Revenue | 66,289 | 50,748 | 180,216 | 231,755 | 502,919
Operating income (loss) | (3,788) | 1,927 | 3,599 | 19,020 | 37,387
Segment assets | 551,610 |  | 546,250 | 525,510 |
Goodwill | 88,367 |  | 88,367 | 88,367 |
Corporate |  |  | 0 | 0 |
Total segment assets | 639,977 |  | 634,617 | 613,877 |
CANADA | Engineered Systems [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 47,507 | 34,550 | 113,069 | 167,903 | 424,239
CANADA | Services [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | 17,903 | 14,511 | 62,154 | 56,238 | 67,505
CANADA | Energy Infrastructure [Member] |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |
Revenue | $ 879 | $ 1,687 | $ 4,993 | $ 7,614 | $ 11,175

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