v3.25.2
Assets Held for Sale and Discontinued Operations - Narrative (Details)
$ in Thousands, € in Millions, $ in Millions
12 Months Ended
Mar. 31, 2025
CAD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
CAD ($)
Mar. 31, 2024
EUR (€)
Disclosure of analysis of single amount of discontinued operations [line items]        
Impairment loss $ 11,643   $ 585  
Proceeds from disposal 2,399   11,203  
Assignment of lease liability 1,281      
Gain on disposal     1,632  
Property, plant and equipment reclassified to assets held for sale 14,089   10,918  
ICC        
Disclosure of analysis of single amount of discontinued operations [line items]        
Impairment loss 11,643   0  
Proceeds from disposal 1,200 $ 0.9 0  
Assignment of lease liability 1,281      
Gain on disposal     0  
Property, plant and equipment reclassified to assets held for sale 14,089   199  
Whistler Alpha Lake        
Disclosure of analysis of single amount of discontinued operations [line items]        
Impairment loss 0   0  
Proceeds from disposal 0   2,270  
Assignment of lease liability 0      
Gain on disposal     1,632  
Property, plant and equipment reclassified to assets held for sale 0   0  
European R&D Facility & Land        
Disclosure of analysis of single amount of discontinued operations [line items]        
Impairment loss 0   600 € 0.4
Proceeds from disposal 0   8,333 € 5.8
Assignment of lease liability 0      
Gain on disposal     0  
Property, plant and equipment reclassified to assets held for sale $ 0   $ 8,919