PENSION AND POSTRETIREMENT BENEFITS (Details) $ in Millions	3 Months Ended	6 Months Ended
	Nov. 23, 2025 USD ($)	Nov. 23, 2025 USD ($)
Pension plan
PENSION AND POSTRETIREMENT BENEFITS
Employer contributions	$ 2.6	$ 5.3
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	5.7	$ 5.7
Other postretirement benefits plan
PENSION AND POSTRETIREMENT BENEFITS
Employer contributions	1.2	2.7
Contributions, remainder fiscal year	$ 3.9	$ 3.9