FAIR VALUE MEASUREMENTS (Fair Value of Assets and Liabilities Measured on Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	May 26, 2013	May 27, 2012
Assets:
Derivative assets	$ 78.6	$ 58.7
Available-for-sale securities	6.1	1.6
Deferred compensation assets	6.9	5.8
Total assets	91.6	66.1
Liabilities:
Derivative liabilities	137.9	215.4
Deferred compensation liabilities	35.9	27.1
Total liabilities	173.8	242.5
Level 1
Assets:
Derivative assets	13.9	13.8
Available-for-sale securities	6.1	1.6
Deferred compensation assets	6.9	5.8
Total assets	26.9	21.2
Liabilities:
Derivative liabilities	0	0
Deferred compensation liabilities	35.9	27.1
Total liabilities	35.9	27.1
Level 2
Assets:
Derivative assets	64.7	44.9
Available-for-sale securities	0	0
Deferred compensation assets	0	0
Total assets	64.7	44.9
Liabilities:
Derivative liabilities	137.9	215.4
Deferred compensation liabilities	0	0
Total liabilities	137.9	215.4
Level 3
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