Leases Lease Maturities (Details) $ in Thousands	Aug. 31, 2019 USD ($)
Maturities [Abstract]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 4,166
Lessee, Operating Lease, Liability, Payments, Due Year Two	7,805
Lessee, Operating Lease, Liability, Payments, Due Year Three	7,438
Lessee, Operating Lease, Liability, Payments, Due Year Four	6,968
Lessee, Operating Lease, Liability, Payments, Due Year Five	6,181
Lessee, Operating Lease, Liability, Payments, Due after Year Five	25,545
Lessee, Operating Lease, Liability, Payments, Due	58,103
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(11,212)
Operating Lease, Liability	$ 46,891