INVESTMENTS IN JOINT VENTURES - Variable Interest Entity - Consolidated - Transactions (Details) - Co-venturer - USD ($) $ in Millions	3 Months Ended
Aug. 27, 2017	Aug. 28, 2016
Related Party Transactions
Purchases	$ 16.8	$ 24.2
Costs	$ 1.3	$ 1.2

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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