Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
Other Significant Noncash Transactions [Line Items]
Capital expenditures funded by long-term obligations	$ 1,917	$ 0
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	0	1,769
Non-cash investing activities:
Interest (excluding bank charges)	2,430	2,225
Income taxes (net of refunds)	$ 2,001	$ 3,086
Mortgages [Member]
Other Significant Noncash Transactions [Line Items]
Other Significant Noncash Transaction, Consideration Given	0	5590