RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of Accrued Liability for the Restructuring and Related Charges (USD $)	3 Months Ended			6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2015	Mar. 31, 2014
Amounts incurred in:
Amount incurred in	$ 0	$ 692,000	$ 842,000	$ 0	$ 1,534,000
Workforce Reduction [Member]
Amounts incurred in:
Amount incurred in		495,000	638,000		1,133,000
Restructuring Reserve [Roll Forward]
Accrued liability				5,228,000
Payments				(4,064,000)
Accrued liability	1,164,000			1,164,000
Facilities & Exit Costs [Member]
Amounts incurred in:
Amount incurred in		137,000	95,000		232,000
Other [Member]
Amounts incurred in:
Amount incurred in		60,000	109,000		169,000
Non-cash Facility and Other [Member]
Amounts incurred in:
Amount incurred in	$ 0		$ 0		$ 0