INCOME TAXES - Pre-tax Income Inclusive of Equity Method Investment Earnings (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2020	May 26, 2019	May 27, 2018
Pre-tax income inclusive of equity method investment earnings
United States	$ 462.0	$ 574.5	$ 478.2
Foreign	16.2	46.3	76.7
Total pre-tax income	$ 478.2	$ 620.8	$ 554.9

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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