PENSION AND POSTRETIREMENT BENEFITS (Narrative) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 25, 2013
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions to pension plan and other postretirement plan	$ 4.5
Further contribution to pension and other postretirement plan	12.3
Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions to pension plan and other postretirement plan	5.3
Further contribution to pension and other postretirement plan	$ 20.7