Restructuring, Impairment, and Other Exit Costs (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 25, 2019	Aug. 26, 2018
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries)	$ 14.3	$ (1.2)
Restructuring actions previously announced [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries)	14.3	(1.2)
Cash payments for restructuring	$ 9.4	$ 17.7

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3367-108585

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