Discontinued Operations and Divestitures (Details Textual) (USD $) In Millions	3 Months Ended
	Aug. 28, 2011	Aug. 29, 2010	May 29, 2011 Frozens Handheld Operations [Member]	Aug. 29, 2010 Gilroy Foods & Flavors [Member]
Discontinued Operations and Divestitures (Textuals) [Abstract]
Recognized impairment and related charges			$ 21.7
Recognized impairment and related charges, after-tax			14.2
Consideration for divestiture of business, subject to final working capital adjustment			8.8	245.7
Additional Discontinued Operations and Divestitures (Textuals) [Abstract]
Period of agreements to purchase certain ingredients from the divested business	5 years
Reversal of accrual related to certain legal matters of divested businesses		$ 3.0