GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Change in Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
Nov. 25, 2018 USD ($)
Goodwill
Balance as of May 27, 2018	$ 4,502.5
Acquisitions	6,662.0
Purchase accounting adjustments	1.5
Currency translation	1.2
Balance as of November 25, 2018	11,167.2
Grocery & Snacks
Goodwill
Balance as of May 27, 2018	2,592.8
Acquisitions	0.0
Purchase accounting adjustments	1.5
Currency translation	0.0
Balance as of November 25, 2018	2,594.3
Refrigerated & Frozen
Goodwill
Balance as of May 27, 2018	1,095.7
Acquisitions	0.0
Purchase accounting adjustments	0.0
Currency translation	(0.5)
Balance as of November 25, 2018	1,095.2
International
Goodwill
Balance as of May 27, 2018	242.9
Acquisitions	0.0
Purchase accounting adjustments	0.0
Currency translation	(4.0)
Balance as of November 25, 2018	238.9
Foodservice
Goodwill
Balance as of May 27, 2018	571.1
Acquisitions	0.0
Purchase accounting adjustments	0.0
Currency translation	0.0
Balance as of November 25, 2018	571.1
Pinnacle Foods
Goodwill
Balance as of May 27, 2018	0.0
Acquisitions	6,662.0
Currency translation	5.7
Balance as of November 25, 2018	$ 6,667.7

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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