EMPLOYEE BENEFIT PLANS AND OTHER POST-RETIREMENT BENEFITS - Other Plans - Deferred Compensation Savings Plan (Details) - USD ($) $ in Millions	May 31, 2020	May 26, 2019
EMPLOYEE BENEFIT PLANS AND OTHER POST-RETIREMENT BENEFITS
Liabilities under deferred compensation plan	$ 18.0	$ 15.1

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

No definition available.

Name:	us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant