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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	May 28, 2017	Nov. 27, 2016	Aug. 28, 2016	May 27, 2018	May 28, 2017	May 29, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges				$ 14.7	$ 343.3	$ 62.6
Goodwill impairment charges					198.9
Carrying amount of long-term debt (including current installments)	$ 2,970.0			3,540.0	2,970.0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of debt based on current market rates	3,320.0			3,760.0	3,320.0
Corporate segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges				4.7
International
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill impairment charges	$ 15.8	$ 43.9	$ 139.2		198.9
Indefinite-lived brand impairment charges				0.8
International \| Indefinite-lived brand
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived brand impairment charges				0.8	37.0
Grocery & Snacks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges					27.6
Goodwill impairment charges					0.0
Indefinite-lived brand impairment charges				4.0
Grocery & Snacks \| Indefinite-lived brand
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived brand impairment charges				$ 4.0	$ 68.2	$ 50.1