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INVESTMENTS Narrative (Details) (Campofrio Food Group [Member])	3 Months Ended
	Jul. 31, 2011 Change in Market Value of Equity Method Investment [Member] EUR (€)	Jul. 31, 2011 EUR (€)	Jul. 31, 2011 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Shares Owned		37,811,302	37,811,302
Equtiy Method Investment, Market Value Per Share in Euros		€ 6.13
Equtiy Method Investment, Market Value Per Share in USD			$ 8.83
Low Market Value, Per Share, Subsequent to Period End, During August 2011	€ 5.30

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