Investment in Eldorado-Silver Legacy (Details) (Eldorado, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Schedule of Equity Method Investments [Line Items]
Net operating revenues	$ 61,749	$ 65,828	$ 118,779	$ 128,007
Operating income	6,775	10,500	8,327	16,525
Net income	2,909	6,548	576	8,635
Silver Legacy Resort Casino
Schedule of Equity Method Investments [Line Items]
Net operating revenues	35,516	34,886	63,093	61,704
Operating income	6,640	5,728	8,071	5,947
Net income	$ 3,882	$ 3,406	$ 2,576	$ 1,474