PRE-TAX INCOME AND INCOME TAXES - Schedule of Pre-Tax Income from Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2019	May 27, 2018	May 28, 2017
Income Tax Contingency [Line Items]
Total before tax	$ 899.1	$ 972.1	$ 800.7
United States
Income Tax Contingency [Line Items]
Total before tax	826.6	902.5	883.5
Foreign
Income Tax Contingency [Line Items]
Total before tax	$ 72.5	$ 69.6	$ (82.8)