v3.26.1
Income taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details)
$ in Millions
 12 Months Ended
Mar. 29, 2026
CAD ($)
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance $ 95.7
Deferred tax liabilities, beginning balance (20.8)
Net deferred tax assets, beginning balance 74.9
Net income (8.7)
Foreign exchange translation (1.4)
Other comprehensive income 1.1
Deferred tax assets, ending balance 76.9
Deferred tax liabilities, ending balance (11.0)
Net deferred tax assets, ending balance 65.9
Total deferred tax asset  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance 108.5
Net income (6.7)
Foreign exchange translation (1.4)
Other comprehensive income 0.0
Deferred tax assets, ending balance 100.4
Losses carried forward  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance 23.8
Net income (0.1)
Foreign exchange translation 0.0
Other comprehensive income 0.0
Deferred tax assets, ending balance 23.7
Other liabilities and provisions  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance 25.6
Net income 2.1
Foreign exchange translation (0.5)
Other comprehensive income 0.0
Deferred tax assets, ending balance 27.2
Capital lease  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance 12.0
Net income 1.2
Foreign exchange translation (0.1)
Other comprehensive income 0.0
Deferred tax assets, ending balance 13.1
Unrealized profit in inventory  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax assets, beginning balance 47.1
Net income (9.9)
Foreign exchange translation (0.8)
Other comprehensive income 0.0
Deferred tax assets, ending balance 36.4
Total deferred tax liabilities  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax liabilities, beginning balance (33.6)
Net income (2.0)
Foreign exchange translation 0.0
Other comprehensive income 1.1
Deferred tax liabilities, ending balance (34.5)
Unrealized foreign exchange  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax liabilities, beginning balance 0.0
Net income (1.7)
Foreign exchange translation 0.0
Other comprehensive income 1.1
Deferred tax liabilities, ending balance (0.6)
Intangible assets  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax liabilities, beginning balance (22.5)
Net income (0.4)
Foreign exchange translation (0.3)
Other comprehensive income 0.0
Deferred tax liabilities, ending balance (23.2)
Property, plant and equipment  
Changes in deferred tax liability (asset) [abstract]  
Deferred tax liabilities, beginning balance (11.1)
Net income 0.1
Foreign exchange translation 0.3
Other comprehensive income 0.0
Deferred tax liabilities, ending balance $ (10.7)