Business Segment Information (Schedule of operating segment results) (Details) - USD ($) $ in Millions	3 Months Ended
Aug. 30, 2015	Aug. 24, 2014
Segment Reporting Information [Line Items]
Net sales	$ 4,207.9	$ 4,268.4
Operating profit	683.3	557.5
Restructuring, impairment, and other exit costs	60.1	14.0
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	4,207.9	4,268.4
Operating profit	826.5	690.5
Significant Reconciling Items [Member]
Segment Reporting Information [Line Items]
Restructuring, impairment, and other exit costs	60.1	14.0
Corporate Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating profit	83.1	119.0
U.S. Retail [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	2,531.2	2,444.3
Operating profit	629.7	457.2
International [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,199.0	1,351.1
Operating profit	117.0	146.0
Convenience Stores and Foodservice [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	477.7	473.0
Operating profit	$ 79.8	$ 87.3

The net result for the period of deducting operating expenses from operating revenues.

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- Definition

The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

+ References

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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