LEASES - Lease Term (Details)	May 31, 2020
Minimum
Lessee, Operating Lease, Description [Abstract]
Lessee, Operating Lease, Remaining Lease Term	1 year
Lessee, Finance Lease, Description [Abstract]
Lessee, Finance Lease, Remaining Lease Term	1 year
Maximum
Lessee, Operating Lease, Description [Abstract]
Lessee, Operating Lease, Remaining Lease Term	20 years
Lessee, Finance Lease, Description [Abstract]
Lessee, Finance Lease, Remaining Lease Term	20 years