Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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

Acquisition and Divestitures (Acquisition Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	May 26, 2019	Feb. 24, 2019	May 31, 2020	May 26, 2019	May 27, 2018
Business Acquisition [Line Items]
Divestitures loss (gain)			$ 0.0	$ 30.0	$ 0.0
La Saltena [Member]
Business Acquisition [Line Items]
Divestitures loss (gain)		$ 35.4
Yogurt Business [Member]
Business Acquisition [Line Items]
Divestitures loss (gain)	$ (5.4)