SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Feb. 22, 2015	Feb. 23, 2014
Increase to operating cash flows	$ 740.5	$ 968.0
Increase to investing cash flows	132.2	(469.5)
Correction for Non-cash Additions to Property, Plant and Equipment | Restatement Adjustment
Increase to operating cash flows		25.7
Increase to investing cash flows		27.0
Correction for Non-cash Additions to Property, Plant and Equipment | Restatement Adjustment | Discontinued Operations
Increase to operating cash flows		2.2
Increase to investing cash flows		$ 2.4