XML 119 R97.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
INCOME TAXES - Movements In Temporary Differences (Details) - CAD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period $ (4.2) $ 23.7
Recognized in income 233.7 (10.4)
Recognized in OCI (10.6) (9.8)
Disposal of discontinued operations (25.1)  
Business combinations   (2.1)
Foreign currency exchange differences 2.9 (5.6)
Deferred tax liability (asset), end of period 196.7 (4.2)
Non-capital loss carryforwards    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period 98.2 96.9
Recognized in income 59.4 (4.4)
Recognized in OCI 0.0 0.0
Disposal of discontinued operations (14.6)  
Business combinations   0.0
Foreign currency exchange differences (0.5) 5.7
Deferred tax liability (asset), end of period 142.5 98.2
Unclaimed research & development expenditures    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period 162.3 86.6
Recognized in income 13.5 75.8
Recognized in OCI 0.0 0.0
Disposal of discontinued operations (13.7)  
Business combinations   0.0
Foreign currency exchange differences 0.0 (0.1)
Deferred tax liability (asset), end of period 162.1 162.3
Investment tax credits    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period (82.1) (85.4)
Recognized in income 5.8 3.3
Recognized in OCI 0.0 0.0
Disposal of discontinued operations 2.1  
Business combinations   0.0
Foreign currency exchange differences 0.4 0.0
Deferred tax liability (asset), end of period (73.8) (82.1)
Property, plant and equipment and right-of-use of assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period (114.8) (82.7)
Recognized in income (41.0) (22.9)
Recognized in OCI 0.0 0.0
Disposal of discontinued operations 1.1  
Business combinations   (2.8)
Foreign currency exchange differences 0.6 (6.4)
Deferred tax liability (asset), end of period (154.1) (114.8)
Intangible assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period (114.7) (90.2)
Recognized in income 64.6 (19.7)
Recognized in OCI 0.0 0.0
Disposal of discontinued operations 10.5  
Business combinations   0.0
Foreign currency exchange differences 0.6 (4.8)
Deferred tax liability (asset), end of period (39.0) (114.7)
Amounts not currently deductible    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period 80.3 83.1
Recognized in income 3.0 (4.7)
Recognized in OCI 0.0 0.0
Disposal of discontinued operations (6.9)  
Business combinations   0.0
Foreign currency exchange differences 0.5 1.9
Deferred tax liability (asset), end of period 76.9 80.3
Government participation    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period (32.6) (24.0)
Recognized in income 118.7 (8.6)
Recognized in OCI 0.0 0.0
Disposal of discontinued operations 0.3  
Business combinations   0.0
Foreign currency exchange differences 0.0 0.0
Deferred tax liability (asset), end of period 86.4 (32.6)
Other    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liability (asset), beginning of period (0.8) 39.4
Recognized in income 9.7 (29.2)
Recognized in OCI (10.6) (9.8)
Disposal of discontinued operations (3.9)  
Business combinations   0.7
Foreign currency exchange differences 1.3 (1.9)
Deferred tax liability (asset), end of period $ (4.3) $ (0.8)