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Pension (Details) - Pension Plan
3 Months Ended 12 Months Ended
Jul. 30, 2022
Apr. 30, 2022
Oct. 29, 2022
Pension      
Discount rate assumption     1.70%
Percentage of expected return on plan assets 2.90% 2.90%  
Pension increase for in-payment benefits   1.50%