Leases Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2019	May 31, 2018	Feb. 28, 2019
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	8 years 11 months 5 days		9 years 2 months 23 days
Operating Lease, Cost	$ 4,266	$ 3,930
Operating Lease, Payments	2,275	1,910
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 2,506	$ 4,046
Operating Lease, Weighted Average Discount Rate, Percent	5.10%		5.13%