PENSION AND POSTRETIREMENT BENEFITS (Expected to be Recognized as Components) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
May 25, 2014
Pension Benefits
Accumulated other comprehensive income (loss)
Prior service cost (benefit)	$ 3.6
Other Benefits
Accumulated other comprehensive income (loss)
Prior service cost (benefit)	(7.9)
Net actuarial loss	$ 3.4

Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

No definition available.

Name:	us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration