RESTRUCTURING PLAN ACTIVITIES Net (Details) - CAD ($) $ in Millions		3 Months Ended		12 Months Ended
	Jul. 08, 2020	Apr. 30, 2022	May 01, 2021	Jan. 30, 2021
Liabilities Subject To Compromise	$ 98.4
Reduction of liability				$ 100.6
Gain on restructuring activities			$ 1.6
Restructuring offset gain		$ 2.1
Professional Fee		$ 0.5