Discontinued Operations (Details) (USD $)	3 Months Ended
	Jul. 29, 2012	Jul. 27, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net after-tax losses	$ (21,326,000)	$ (615,000)
U.S. Foodservice Dessert Business [Member] [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	(31,500,000)
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, after Income Tax	(20,400,000)
Sales	2,500,000	17,000,000
Net after-tax losses	(900,000)	(600,000)
Tax benefit on losses	$ 600,000	$ 400,000