GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2020	May 26, 2019
Goodwill
Balance at the beginning period	$ 205.9	$ 135.1
Acquisition	106.1	75.1
Foreign currency translation adjustment	(8.2)	(4.3)
Balance at the end of the period	303.8	205.9
Global
Goodwill
Balance at the beginning period	147.7	76.9
Acquisition	106.1	75.1
Foreign currency translation adjustment	(8.2)	(4.3)
Balance at the end of the period	245.6	147.7
Foodservice
Goodwill
Balance at the beginning period	42.8	42.8
Balance at the end of the period	42.8	42.8
Retail
Goodwill
Balance at the beginning period	10.9	10.9
Balance at the end of the period	10.9	10.9
Other
Goodwill
Balance at the beginning period	4.5	4.5
Balance at the end of the period	$ 4.5	$ 4.5