Investment in Eldorado Financial Information (Details) (USD $)	3 Months Ended			9 Months Ended
	Nov. 30, 2013	Sep. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Sep. 30, 2013	Nov. 30, 2012
Schedule of Equity Method Investments [Line Items]
Operating income	$ 7,092,000		$ 6,816,000	$ 23,617,000		$ 20,629,000
Net income	3,184,000		1,973,000	11,819,000		7,822,000
Eldorado
Schedule of Equity Method Investments [Line Items]
Net operating revenues	63,631,000	63,631	65,907,000	191,638,000	192,000	194,771,000
Operating income		7,092			24,000
Net income		$ 3,184			$ 12,000