FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May 29, 2016	May 31, 2015	May 25, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, goodwill		$ 20.9
Carrying amount of long-term debt	$ 5,500.0	7,900.0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt at fair value	5,900.0	8,200.0
Private Brands
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, goodwill		1,510.0	$ 9.0
Impairment, intangible assets		43.9
Impairment, long-lived assets		13.7
Consumer Foods
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, goodwill		20.9
Impairment, intangible assets		4.8
Trademarks | Consumer Foods
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment, intangible assets	$ 50.1	$ 4.8	$ 72.7