Retirement Plans (Funding Of Defined Benefit Pension Plans And Postretirement Benefit Plans) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
May 29, 2016	May 29, 2016	May 31, 2015	May 25, 2014
Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plans and postretirement benefit plans funding	$ 25.0	$ 25.4	$ 0.4	$ 0.4
Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit pension plans and postretirement benefit plans funding		$ 1.1	$ 1.1	$ 0.9

The increase in the fair value of plan assets from contributions made by the employer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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