Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017	Feb. 28, 2018
Effective Income Tax Rate, Continuing Operations	58.90%	21.20%	40.50%	15.00%
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (14,164)	$ (16,383)	$ (17,829)	$ (26,495)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Income Tax Expense (Benefit)	8,338	3,465	$ 7,225	(3,963)
Unrecognized Tax Benefits, Period Increase (Decrease)	226	$ 55	199	$ 65
Liability for Uncertainty in Income Taxes, Noncurrent	$ 1,887		$ 1,887		$ 2,191