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Revenue - Summary of Disaggregation of Revenue From Contracts With Customers (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 disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers $ 323,069 $ 203,205 $ 960,156 $ 1,217,052 $ 2,045,422
United States [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 127,714 81,387 451,675 549,854 954,350
Canada [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 65,044 49,248 173,181 206,508 484,251
Oman [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 50,618 17,384 84,486 53,664 105,721
Australia [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 13,068 17,048 61,520 65,683 71,592
Bahrain [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 8,163 7,088 40,361 108,358 42,864
Argentina [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 11,417 6,400 34,321 21,276 24,522
Mexico [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 6,962 6,294 27,355 32,945 46,300
Colombia [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 7,664 5,029 17,795 32,671 17,375
Brazil [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 6,476 3,487 17,289 11,130 10,953
Nigeria [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 9,437 1,271 7,853 92,334 256,177
Bolivia [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers     7,775 6,264 4,037
Other [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 16,506 8,569 36,545 36,365 27,280
Engineered Systems [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 174,431 72,232 354,127 598,566 1,448,503
Services [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers 83,186 70,536 327,376 303,269 350,992
Energy Infrastructure [Member]          
Disclosure of disaggregation of revenue from contracts with customers [line items]          
Revenue from contracts with customers $ 65,452 $ 60,437 $ 278,653 $ 315,217 $ 245,927