GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Change in Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Aug. 27, 2017 USD ($)
Goodwill
Balance as of beginning of period	$ 4,301.1
Purchase accounting adjustments	(1.4)
Currency translation	2.0
Balance as of end of period	4,301.7
Grocery & Snacks
Goodwill
Balance as of beginning of period	2,439.1
Purchase accounting adjustments	(1.4)
Currency translation	0.0
Balance as of end of period	2,437.7
Refrigerated & Frozen
Goodwill
Balance as of beginning of period	1,037.3
Purchase accounting adjustments	0.0
Currency translation	0.9
Balance as of end of period	1,038.2
International
Goodwill
Balance as of beginning of period	253.6
Purchase accounting adjustments	0.0
Currency translation	1.1
Balance as of end of period	254.7
Foodservice
Goodwill
Balance as of beginning of period	571.1
Purchase accounting adjustments	0.0
Currency translation	0.0
Balance as of end of period	$ 571.1