VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 27, 2017	May 28, 2017
Variable Interest Entity [Line Items]
Contingent put options, general exercise period	30 days
Loss on lease put option
Variable Interest Entity [Line Items]
Contingent put options, general exercise period	30 days
Estimated amount by which put prices exceeded the fair values of the related properties	$ 51.8	$ 51.8
Accrued put cost	$ 9.3	$ 8.4

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant