EARNINGS PER SHARE (EPS) (Details) - Summary of Reconciliation of Share Amounts Used in Earnings Per Share - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average shares outstanding - basic	44,025	48,370	45,228	50,038
Incremental shares from stock based compensation	2,056	1,466	1,929	0
Convertible debt due 2017	899	0	128	0
Weighted average shares outstanding - diluted	46,980	49,836	47,285	50,038
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted stock excluded from diluted EPS computation	480	643	514	643
Restricted stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted stock excluded from diluted EPS computation	0	0	0	1,609