GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) $ in Millions	9 Months Ended
	Feb. 28, 2021 USD ($)
Goodwill
Balance at the beginning period	$ 303.8
Foreign currency translation adjustment	29.9
Balance at the end of the period	333.7
Global
Goodwill
Balance at the beginning period	245.6
Foreign currency translation adjustment	29.9
Balance at the end of the period	275.5
Foodservice
Goodwill
Balance at the beginning period	42.8
Balance at the end of the period	42.8
Retail
Goodwill
Balance at the beginning period	10.9
Balance at the end of the period	10.9
Other
Goodwill
Balance at the beginning period	4.5
Balance at the end of the period	$ 4.5