Stock-Based Compensation (Restricted Stock Activity) (Details) (Restricted Stock [Member], USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Sep. 30, 2013	Sep. 30, 2012
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested, Number of Shares of Restricted Stock, Beginning Balance			405,226	646,617
Granted, Number of Shares of Restricted Stock	187,963	21,569
Vested, Number of Shares of Restricted Stock	(16,907)	(23,436)	(23,436)
Non-vested, Number of Shares of Restricted Stock, Ending Balance			576,282	644,750
Non-vested, Weighted Average Grant Date Fair Value, Beginning Balance			$ 4,393	$ 7,061
Granted, Weighted Average Grant Date Fair Value	1,382	189
Vested, Weighted Average Grant Date Fair Value	161	216	200	200
Non-vested, Weighted Average Grant Date Fair Value, Ending Balance			$ 5,630	$ 7,021