RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of the restructuring and other related charges - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Amounts incurred in the year ended:
Amounts incurred in	$ 5,900	$ 0	$ 6,136
Workforce Reduction [Member]
Amounts incurred in the year ended:
Amounts incurred in	3,337
Facilities & Exit Costs [Member]
Amounts incurred in the year ended:
Amounts incurred in	659
Other Related Costs [Member]
Amounts incurred in the year ended:
Amounts incurred in	1,073
Non-cash Facility and Other [Member]
Amounts incurred in the year ended:
Amounts incurred in	$ 831