Derivative Instruments and Hedging Activities (Effects Of Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 27, 2017	Aug. 28, 2016
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ (1.1)	$ (3.1)
Equity forwards \| Restaurant labor expenses
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	(0.5)	(1.1)
Equity forwards \| General and administrative expenses
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ (0.6)	$ (2.0)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration