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PENSION AND POSTRETIREMENT BENEFITS - Weighted Average Actuarial Assumption Used to Determine Net Expense (Details)
12 Months Ended
May 25, 2025
May 26, 2024
May 28, 2023
Pension Plan [Member]      
PENSION AND POSTRETIREMENT BENEFITS      
Long-term rate of return on plan assets 5.53% 5.00% 4.56%
Interest Cost [Member] | Pension Plan [Member]      
PENSION AND POSTRETIREMENT BENEFITS      
Discount rate - interest cost 5.51% 5.41% 4.09%
Interest Cost [Member] | Other Postretirement Benefits Plan [Member]      
PENSION AND POSTRETIREMENT BENEFITS      
Discount rate - interest cost 5.38% 5.36% 3.83%
Service Cost [Member] | Pension Plan [Member]      
PENSION AND POSTRETIREMENT BENEFITS      
Discount rate - interest cost 5.72% 5.60% 4.74%
Service Cost [Member] | Other Postretirement Benefits Plan [Member]      
PENSION AND POSTRETIREMENT BENEFITS      
Discount rate - interest cost 5.22% 5.31% 4.60%