FAIR VALUE MEASUREMENTS (Fair Value of Assets and Liabilities Measured on Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	Feb. 24, 2013	May 27, 2012
Assets:
Derivative assets	$ 77.5	$ 58.7
Available-for-sale securities	5.7	1.6
Deferred compensation assets	8.8	5.8
Total assets	92.0	66.1
Liabilities:
Derivative liabilities	134.2	215.4
Deferred compensation liabilities	36.5	27.1
Total liabilities	170.7	242.5
Level 1 [Member]
Assets:
Derivative assets	9.8	13.8
Available-for-sale securities	5.7	1.6
Deferred compensation assets	8.8	5.8
Total assets	24.3	21.2
Liabilities:
Derivative liabilities	0	0
Deferred compensation liabilities	36.5	27.1
Total liabilities	36.5	27.1
Level 2 [Member]
Assets:
Derivative assets	67.7	44.9
Available-for-sale securities	0	0
Deferred compensation assets	0	0
Total assets	67.7	44.9
Liabilities:
Derivative liabilities	134.2	215.4
Deferred compensation liabilities	0	0
Total liabilities	134.2	215.4
Level 3 [Member]
Assets:
Derivative assets	0	0
Available-for-sale securities	0	0
Deferred compensation assets	0	0
Total assets	0	0
Liabilities:
Derivative liabilities	0	0
Deferred compensation liabilities	0	0
Total liabilities	$ 0	$ 0