Leases - Summary of Impact of Operating Leases Including Leases of Discontinued Operations (Details) $ in Thousands	6 Months Ended
	Aug. 31, 2019 USD ($)
Lease Cost
Operating lease cost	$ 2,378
Other Information
Operating cash flows from operating leases	2,621
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 28,821
Weighted average remaining lease term - operating leases (in years)	8 years 4 months 24 days
Weighted average discount rate - operating leases	5.60%