DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Feb. 22, 2015	Feb. 24, 2013	May. 31, 2015	May. 25, 2014	May. 26, 2013	May. 29, 2011
Derivative Financial Instruments [Line Items]
Hedge for anticipated consumption of commodity inputs, period				36 months
Selling, general and administrative expenses				$ 3,472.1	$ 2,771.2	$ 2,065.9
Deferred gain (loss) in other comprehensive income				0.0	31.3	32.5
Proceeds from settlement of interest rate swaps				(11.3)	(4.5)	$ 3.0
Unamortized amount of deferred gain				11.8
Unrealized loss on fair value hedge				5.8	6.8
Derivative Asset, Collateral, Obligation to Return Cash, Offset				5.9
Amounts representing a right to reclaim cash collateral included in prepaid expenses and other current assets					6.2
Derivative Asset, Fair Value, Gross Liability				7.3	13.0
Derivative Liability, Fair Value, Gross Asset				13.2	6.8
Maximum amount of loss due to the credit risk of the counterparties				18.6
Open commodity purchase contracts
Derivative Financial Instruments [Line Items]
Notional value of open commodity contracts				554.9	1,400.0
Open commodity sales contracts
Derivative Financial Instruments [Line Items]
Notional value of open commodity contracts				393.1
Interest rate contracts
Derivative Financial Instruments [Line Items]
Selling, general and administrative expenses				3.1	2.3
Notional value of open commodity contracts					500.0
Derivative, Cash Received on Hedge		$ 21.9
Derivative Instrument, Accrued Interest Proceeds from Discontinuation		3.9
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion		12.6
Interest rate contracts | Fair Value Hedging
Derivative Financial Instruments [Line Items]
Proceeds from settlement of interest rate swaps							$ 31.5
Foreign exchange contracts
Derivative Financial Instruments [Line Items]
Notional value of open commodity contracts				108.6	170.1
Selling, general and administrative expense | Interest rate contracts
Derivative Financial Instruments [Line Items]
Unrealized gain on fair value of interest rate swap contracts		$ 5.4		8.9	9.1
Net derivative adjustment, net of tax: | Reclassification out of Accumulated Other Comprehensive Income
Derivative Financial Instruments [Line Items]
Selling, general and administrative expenses	[1],[2]			0.0	$ 54.9
2043 Maturity | Cash Flow Hedging
Derivative Financial Instruments [Line Items]
Deferred gain (loss) in other comprehensive income			$ 4.2
Unamortized gain (loss) of debt instruments being hedged				3.0
2023 Maturity | Cash Flow Hedging
Derivative Financial Instruments [Line Items]
Deferred gain (loss) in other comprehensive income			$ (2.0)
Unamortized gain (loss) of debt instruments being hedged				$ (1.3)

[1] Amounts in parentheses indicate income recognized in the Consolidated Statements of Operations.

[2] Prior year amount includes $41.8 million less deferred tax benefit of $15.6 million previously reported in accumulated other comprehensive loss.