SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2016	May 31, 2015	May 25, 2014
Property, Plant and Equipment [Line Items]
Fiscal Period Duration	364 days	371 days	364 days
Advertising and promotion expenses	$ 371.4	$ 330.0	$ 395.7
Research and Development expenses	66.7	70.4	86.0
Net foreign currency transaction losses from continuing operations	7.7	2.9	$ 5.4
Other assets	1,067.2	926.8
Other noncurrent liabilities	$ 2,144.1	1,915.9
Adjustments for New Accounting Principle, Early Adoption
Property, Plant and Equipment [Line Items]
Other assets		(104.3)
Other noncurrent liabilities		$ 104.3