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Revenue - Summary of Disaggregation of Revenue From Contracts With Customers (Detail) - CAD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 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 $ 372,077 $ 204,507 $ 695,146 $ 407,712 $ 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 194,233 105,883 321,947 187,270 451,675 549,854 954,350
Canada [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 65,288 30,969 130,332 80,217 173,181 206,508 484,251
Oman [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 14,284 16,561 64,902 33,945 84,486 53,664 105,721
Australia [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 13,562 15,125 26,630 32,173 61,520 65,683 71,592
Bahrain [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 10,509 8,554 18,672 15,642 40,361 108,358 42,864
Argentina [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 12,829 7,991 24,246 14,391 34,321 21,276 24,522
Mexico [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 28,869 5,935 35,831 12,229 27,355 32,945 46,300
Colombia [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 6,158 2,580 13,822 7,609 17,795 32,671 17,375
Brazil [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 11,128 3,532 17,604 7,019 17,289 11,130 10,953
Nigeria [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 1,833 2,040 11,270 3,311 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 13,384 5,337 29,890 13,906 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 196,346 64,998 370,777 137,230 354,127 598,566 1,448,503
Services [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers 105,839 77,630 189,025 148,166 327,376 303,269 350,992
Energy Infrastructure [Member]              
Disclosure of disaggregation of revenue from contracts with customers [line items]              
Revenue from contracts with customers $ 69,892 $ 61,879 $ 135,344 $ 122,316 $ 278,653 $ 315,217 $ 245,927