PENSION AND POSTRETIREMENT BENEFITS - Schedule of Contributions for Plans That Are Not Individually Significant (Details) - USD ($) $ in Millions	12 Months Ended
	May 25, 2025	May 26, 2024	May 28, 2023
PENSION AND POSTRETIREMENT BENEFITS
Multiemployer Plan, Pension, Significant, Plan Contribution	$ 9.5	$ 9.0	$ 9.2
Central States Southeast and Southwest Areas Pension Fund [Member]
PENSION AND POSTRETIREMENT BENEFITS
Multiemployer Plan, Pension, Significant, Plan Contribution	2.5	2.4	2.6
Western Conference Of Teamsters Pension Plan [Member]
PENSION AND POSTRETIREMENT BENEFITS
Multiemployer Plan, Pension, Significant, Plan Contribution	4.7	4.3	4.4
Retirement Plan Name, Other [Member]
PENSION AND POSTRETIREMENT BENEFITS
Multiemployer Plan, Pension, Significant, Plan Contribution	$ 2.3	$ 2.3	$ 2.2