Leases Lease Maturities (Details) $ in Thousands	May 31, 2019 USD ($)
Maturities [Abstract]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 6,252
Lessee, Operating Lease, Liability, Payments, Due Year Two	7,685
Lessee, Operating Lease, Liability, Payments, Due Year Three	7,313
Lessee, Operating Lease, Liability, Payments, Due Year Four	6,867
Lessee, Operating Lease, Liability, Payments, Due Year Five	6,124
Lessee, Operating Lease, Liability, Payments, Due after Year Five	25,520
Lessee, Operating Lease, Liability, Payments, Due	59,761
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(11,768)
Operating Lease, Liability	$ 47,993