INCOME TAXES - Deferred Income Taxes - Deferred Tax Assets (Details) - USD ($) $ in Millions	May 31, 2020	May 26, 2019
Deferred Tax Assets
Goodwill and other intangible assets	$ 54.9	$ 64.1
Compensation and benefit related liabilities	19.7	17.8
Net operating loss and credit carryforwards	5.2	15.3
Accrued expenses and other liabilities	15.2	14.2
Inventory and inventory reserves	4.5	11.5
Lease liabilities	36.9
Other	7.7	12.1
Deferred Tax Assets, Gross, Total	144.1	135.0
Less: Valuation allowance	(54.5)	(64.6)
Net deferred tax assets	$ 89.6	$ 70.4