Goodwill and Other Intangibles (Schedule of changes in the carrying amount of other intangible assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 25, 2014	May 26, 2013	May 27, 2012
Intangible Assets, Net [Line Items]
Beginning balance - carrying value	$ 5,015.1	$ 4,704.9	$ 3,813.3
Acquisitions		310.7	1,108.5
Other activity, primarily foreign currency translation	(0.8)	(0.5)	(216.9)
Ending balance - carrying value	5,014.3	5,015.1	4,704.9
Uncle Toby's Brand [Member]
Intangible Assets, Net [Line Items]
Ending balance - carrying value	63.0
Fair Value in Excess of Carrying Value, Percentage of Intangible Assets	8.00%
Mountain High Brand [Member]
Intangible Assets, Net [Line Items]
Ending balance - carrying value	35.0
Fair Value in Excess of Carrying Value, Percentage of Intangible Assets	23.00%
United States [Member]
Intangible Assets, Net [Line Items]
Beginning balance - carrying value	3,312.4	3,297.0	3,242.5
Acquisitions		20.0	58.2
Other activity, primarily foreign currency translation	(4.9)	(4.6)	(3.7)
Ending balance - carrying value	3,307.5	3,312.4	3,297.0
International [Member]
Intangible Assets, Net [Line Items]
Beginning balance - carrying value	1,638.2	1,344.1	497.9
Acquisitions		290.7	1,050.3
Other activity, primarily foreign currency translation	3.6	3.4	(204.1)
Ending balance - carrying value	1,641.8	1,638.2	1,344.1
Joint Ventures [Member]
Intangible Assets, Net [Line Items]
Beginning balance - carrying value	64.5	63.8	72.9
Acquisitions		0	0
Other activity, primarily foreign currency translation	0.5	0.7	(9.1)
Ending balance - carrying value	$ 65.0	$ 64.5	$ 63.8