Investment in Mesquite (Details) (Mesquite, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Mesquite
Schedule of Equity Method Investments [Line Items]
Net operating revenues	$ 24,332	$ 24,546	$ 50,808	$ 51,544
Operating income	1,842	2,403	5,008	6,699
Net loss	$ 731	$ 4,318	$ 2,932	$ 7,149