Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Other Significant Noncash Transactions [Line Items]
Capital expenditures funded by long-term obligations	$ 0	$ 1,109
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	1,779	0
Noncash or Part Noncash Acquisition, Investments Acquired	0	1,453
Non-cash investing activities:
Interest (excluding bank charges)	1,366	2,328
Income taxes (net of refunds)	$ 3,610	$ 1,089
Mortgages [Member]
Other Significant Noncash Transactions [Line Items]
Other Significant Noncash Transaction, Consideration Given	5590	0