LONG-TERM DEBT AND REVOLVING CREDIT FACILITY - Schedule of Net Interest Expense from Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 25, 2018	Nov. 26, 2017	Nov. 25, 2018	Nov. 26, 2017
Debt Disclosure [Abstract]
Long-term debt	$ 76.2	$ 39.4	$ 119.1	$ 77.5
Short-term debt	7.5	0.7	15.0	1.1
Interest income	(2.5)	(1.1)	(3.1)	(2.0)
Interest capitalized	(0.6)	(1.0)	(1.4)	(2.2)
Net interest expense	$ 80.6	$ 38.0	$ 129.6	$ 74.4

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Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred.

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Aggregate amount of interest paid or due on all long-term debt.

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The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

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The net amount of operating interest income (expense).

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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