v3.26.1
GOVERNMENT PARTICIPATION (Details) - CAD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Government Grants [Abstract]    
Credited to non-financial assets $ 6.5 $ 21.4
Credited to income 11.5 34.3
Contributions $ 18.0 $ 55.7