Discontinued Operations and Divestitures (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended
	Nov. 27, 2011	May 29, 2011 Frozen Handhelds Operations [Member]	Aug. 29, 2010 Gilroy Foods & Flavors [Member]
Discontinued Operations and Divestitures (Textual) [Abstract]
Consideration for divestiture of business, subject to final working capital adjustment		$ 8.8	$ 245.7
Additional Discontinued Operations and Divestitures (Textual) [Abstract]
Period of agreements to purchase certain ingredients from the divested business	5 years
Reversal of accrual related to legal matters of divested businesses	$ 3.0