PROPERTY, PLANT AND EQUIPMENT - Components (Details) - USD ($) $ in Millions	Nov. 24, 2019	May 26, 2019
Property, Plant and Equipment
Property, plant and equipment, at cost	$ 2,892.3	$ 2,874.5
Less accumulated depreciation	(1,340.0)	(1,276.7)
Property, plant and equipment, net	1,552.3	1,597.8
Land and land improvements
Property, Plant and Equipment
Property, plant and equipment, at cost	107.0	142.2
Buildings, machinery, and equipment
Property, Plant and Equipment
Property, plant and equipment, at cost	2,606.8	2,542.3
Furniture, fixtures, office equipment, and other
Property, Plant and Equipment
Property, plant and equipment, at cost	106.8	105.2
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, at cost	$ 71.7	$ 84.8