DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) (USD $)	12 Months Ended
	May 26, 2013	May 27, 2012	May 29, 2011
Derivative Financial Instruments [Line Items]
Hedge for anticipated consumption of commodity inputs, period	36 months
Net gains (losses) from derivative instruments	$ 151,200,000	$ 66,100,000	$ 32,100,000
Proceeds from settlement of interest rate swaps	0	0	31,500,000
Amounts representing a right to reclaim cash collateral included in prepaid expenses and other current assets	10,200,000	13,200,000
Maximum amount of loss due to the credit risk of the counterparties	64,700,000
Cash Flow Hedging
Derivative Financial Instruments [Line Items]
Unrealized loss associated with derivatives deferred in accumulated other comprehensive loss	104,500,000
Net notional amount of interest rate derivatives	500,000,000
Deferred gain in other comprehensive income	2,200,000
Unamortized amount of debt instruments being hedged	2,100,000
Fair Value Hedging
Derivative Financial Instruments [Line Items]
Unamortized amount of debt instruments being hedged	8,500,000
Proceeds from settlement of interest rate swaps			31,500,000
Open commodity purchase contracts
Derivative Financial Instruments [Line Items]
Notional value of open commodity contracts	1,800,000,000	1,900,000,000
Open commodity sales contracts
Derivative Financial Instruments [Line Items]
Notional value of open commodity contracts	1,500,000,000	1,300,000,000
Forward and cross currency swap contracts
Derivative Financial Instruments [Line Items]
Net notional value of foreign currency derivatives	359,000,000	455,700,000
Sales | Commodity contracts
Derivative Financial Instruments [Line Items]
Net gains (losses) from derivative instruments	$ (11,500,000)	$ (6,400,000)	$ 3,800,000