STOCKHOLDERS' EQUITY AND EQUITY COMPENSATION (Details) - Summary of stock option activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Summary of stock option activity [Abstract]
Outstanding	929,761	1,169,661	1,544,221
Outstanding (in Dollars per share)	$ 18.73	$ 17.50	$ 15.42
Outstanding	714,235	929,761	1,169,661
Outstanding (in Dollars per share)	$ 20.15	$ 18.73	$ 17.50
Outstanding (in Dollars)	$ 0	$ 0	$ 1,667
Outstanding	3 years 73 days	3 years 146 days	3 years 255 days
Exercisable at September 30, 2013 through:
September 30, 2014	130,750
September 30, 2014 (in Dollars per share)	$ 19.84
September 30, 2014	219 days
September 30, 2015	149,035
September 30, 2015 (in Dollars per share)	$ 18.60
September 30, 2015	1 year 219 days
September 30, 2016	71,450
September 30, 2016 (in Dollars per share)	$ 25.65
September 30, 2016	2 years 219 days
September 30, 2017	13,000
September 30, 2017 (in Dollars per share)	$ 14.78
September 30, 2017	3 years 292 days
September 30, 2018	0
September 30, 2019	350,000
September 30, 2019 (in Dollars per share)	$ 20.00
September 30, 2019	5 years
Exercisable	714,235	929,761	1,169,661
Exercisable (in Dollars per share)	$ 20.15	$ 18.73	$ 17.50
Exercisable (in Dollars)		1,667	1,667
Exercisable	3 years 73 days	3 years 146 days	3 years 255 days
Granted	0	0	0
Exercised	0	0	(333,125)
Exercised (in Dollars per share)			$ 7.74
Exercised (in Dollars)			$ 1,848
Forfeited/expired	(215,526)	(239,900)	(41,435)
Forfeited/expired (in Dollars per share)	$ 14.01	$ 12.74	$ 18.34