Derivative Financial Instruments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 27, 2011	Nov. 28, 2010	Nov. 27, 2011	Nov. 28, 2010
Location and amount of gains and losses from derivatives reported in condensed consolidated statements of earnings:
Total gain (loss) from derivative instruments not designated as hedging instruments	$ 42.7	$ 30.8	$ 78.5	$ (4.9)
Commodity Contracts [Member] | Cost of goods sold [Member]
Location and amount of gains and losses from derivatives reported in condensed consolidated statements of earnings:
Total gain (loss) from derivative instruments not designated as hedging instruments	30.6	35.4	73.1	9.7
Commodity Contracts [Member] | Selling, general and administrative expenses [Member]
Location and amount of gains and losses from derivatives reported in condensed consolidated statements of earnings:
Total gain (loss) from derivative instruments not designated as hedging instruments	(0.1)		(0.1)
Foreign Exchange Contracts [Member] | Cost of goods sold [Member]
Location and amount of gains and losses from derivatives reported in condensed consolidated statements of earnings:
Total gain (loss) from derivative instruments not designated as hedging instruments	6.0	(2.6)	(1.0)	(12.2)
Foreign Exchange Contracts [Member] | Selling, general and administrative expenses [Member]
Location and amount of gains and losses from derivatives reported in condensed consolidated statements of earnings:
Total gain (loss) from derivative instruments not designated as hedging instruments	$ 6.2	$ (2.0)	$ 6.5	$ (2.4)