v3.26.1
Consolidated Statement of Comprehensive Income - CAD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Statement of comprehensive income [abstract]    
Net income $ 322.7 $ 415.0
Items that may be reclassified to net income    
Foreign currency exchange differences on translation of foreign operations (105.7) 381.9
Net gain (loss) on hedges of net investment in foreign operations 61.5 (125.2)
Reclassification to income of gains on foreign currency exchange differences (5.1) (10.1)
Net gain (loss) on cash flow hedges 6.1 (41.4)
Reclassification to income of losses on cash flow hedges 8.1 20.6
Income taxes (0.4) 5.9
Items that may be reclassified to net income (35.5) 231.7
Items that will never be reclassified to net income    
Remeasurement of defined benefit pension plan obligations 79.3 (54.3)
Income taxes (21.0) 14.4
Items that will never be reclassified to net income 58.3 (39.9)
Other comprehensive income 22.8 191.8
Total comprehensive income 345.5 606.8
Attributable to:    
Equity holders of the Company 336.8 593.2
Non-controlling interests $ 8.7 $ 13.6