EQUITY BASED COMPENSATION (Details Textuals) (USD $)	12 Months Ended						12 Months Ended				0 Months Ended	12 Months Ended			0 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Stock Options [Member]	Sep. 30, 2013 Stock Options [Member]	Sep. 30, 2012 Stock Options [Member]	Sep. 30, 2014 Stock Options [Member] Hiring Incentive Plan [Member]	Sep. 30, 2013 Stock Options [Member] Hiring Incentive Plan [Member]	Sep. 30, 2014 Stock Options [Member] Hiring Incentive Plan [Member] Chief Executive Officer [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Nov. 07, 2013 Performance Shares [Member]	Sep. 30, 2014 Performance Shares [Member]	Dec. 01, 2013 Performance Shares [Member]	Nov. 07, 2013 Performance Shares [Member]	Nov. 07, 2013 Performance Shares [Member] Minimum [Member]	Nov. 07, 2013 Performance Shares [Member] Maximum [Member]	Nov. 07, 2013 Performance Shares [Member] Performance Objective One [Member]	Nov. 07, 2013 Performance Shares [Member] Performance Objective Two [Member]	Nov. 07, 2013 Performance Shares [Member] Performance Objective Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options expiration period		10 years
Vesting term		3 years						3 years
Performance period											3 years
Options granted		0	0	0			350,000
Fair value of award						$ 1,300,000
Requisite service period					12 months
Compensation expense recognized for share based payments		1,200,000		0				4,000,000	5,000,000	6,000,000		4,000,000
Stock options exercised		0	0	0
Weighted-average grant date fair value per share			$ 3.69
Shares granted in period								218,816	1,003,723	1,325,447
Weighted average grant-date fair value non-vested restricted shares and share units granted during period								$ 9.23	$ 4.43	$ 6.14
Equity instruments other than options outstanding (in shares)								2,038,853				1,634,561
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 8.27							$ 7.16
Total unrecognized compensation costs related to non-vested equity compensation arrangements	$ 2,000,000											$ 10,000,000
Weighted average period for compensation cost recognition	1 year											2 years
Share price on grant date													$ 7.97
Award vesting rights percentage															0.00%	200.00%	50.00%	25.00%	25.00%
Number of shares available for grant														1,500,000
Granted (in shares)												1,772,000