RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014	Sep. 30, 2013
RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges [Line Items]
Accrued liability	$ 2,320	$ 3,857
Charges	1,534
Payments	(3,071)
Workforce Reduction [Member]
RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges [Line Items]
Accrued liability	2,096	3,057
Charges	1,133
Payments	(2,094)
Facilities And Exit Costs [Member]
RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges [Line Items]
Accrued liability	73	393
Charges	232
Payments	(552)
Other Related Costs [Member]
RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges [Line Items]
Accrued liability	151	407
Charges	169
Payments	$ (425)