GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of the Change in the Carrying Amount of Goodwill (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
Goodwill
Beginning balance			$ 4,315.9	$ 4,295.3	$ 4,315.9
Impairment					(198.9)
Acquisitions				213.0	174.3
Purchase accounting adjustments				(1.5)
Currency translation				(4.3)	4.0
Ending balance	$ 4,295.3			4,502.5	4,295.3
Grocery & Snacks
Goodwill
Beginning balance			2,273.1	2,439.1	2,273.1
Impairment					0.0
Acquisitions				155.2	166.0
Purchase accounting adjustments				(1.5)
Currency translation				0.0	0.0
Ending balance	2,439.1			2,592.8	2,439.1
Refrigerated & Frozen
Goodwill
Beginning balance			1,028.9	1,037.3	1,028.9
Impairment					0.0
Acquisitions				57.8	8.3
Currency translation				0.6	0.1
Ending balance	1,037.3			1,095.7	1,037.3
International
Goodwill
Beginning balance			442.8	247.8	442.8
Impairment	(15.8)	$ (43.9)	(139.2)		(198.9)
Acquisitions				0.0
Currency translation				(4.9)	3.9
Ending balance	247.8			242.9	247.8
Foodservice
Goodwill
Beginning balance			$ 571.1	571.1	571.1
Acquisitions				0.0
Currency translation				0.0
Ending balance	$ 571.1			$ 571.1	$ 571.1