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Revenue - Summary Of Disaggregation Of Revenue From Contracts With Customers (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers $ 3,162,095 $ 1,777,798
United States of America    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 1,347,408 890,899
Canada    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 350,490 261,865
Nigeria    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 232,481 18,420
Oman    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 221,538 119,906
Argentina    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 220,608 80,524
Iraq    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 193,789 25,917
Bahrain    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 127,009 85,540
Brazil    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 102,164 45,367
Australia    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 85,515 65,618
Mexico    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 84,400 64,325
Thailand    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 40,037 11,523
Colombia    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 28,977 21,278
Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 127,679 86,616
Energy Infrastructure [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 777,702 381,087
After Market Services [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 652,198 443,660
Engineered Systems [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers $ 1,732,195 $ 953,051