INVESTMENTS CFG Stock Prices (Details) (Campofrio Food Group [Member], EUR €)	Jul. 28, 2013	May 30, 2013	Apr. 28, 2013	Apr. 29, 2012	Feb. 17, 2012	May 05, 2011
Campofrio Food Group [Member]
Schedule of Equity Method Investments [Line Items]
Equtiy Method Investment, Market Value Per Share in Euros	€ 5.22	€ 5.88	€ 4.99	€ 6.30	€ 7.20	€ 9.27
Equity Method Investment, Carrying Value Per Share in Euros	€ 7.65		€ 7.64	€ 7.70	€ 7.54	€ 7.93