PENSION AND POSTRETIREMENT BENEFITS (Details) $ in Millions	3 Months Ended
	Aug. 24, 2025 USD ($)
Pension plan
PENSION AND POSTRETIREMENT BENEFITS
Employer contributions	$ 2.7
Defined Benefit Plan, Service Cost Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate	6.17%
Defined Benefit Plan, Interest Cost Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate	5.41%
Contributions, remainder fiscal year	$ 8.3
Other postretirement benefits plan
PENSION AND POSTRETIREMENT BENEFITS
Employer contributions	1.5
Contributions, next fiscal year	$ 5.1