RESTRUCTURING AND OTHER RELATED CHARGES (Details) - Summary of the restructuring and other related charges - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Amounts incurred in the year ended:
Amounts incurred in	$ 0	$ 6,136	$ 13,262
Workforce Reduction [Member]
Amounts incurred in the year ended:
Amounts incurred in		5,382	5,649
Facilities & Exit Costs [Member]
Amounts incurred in the year ended:
Amounts incurred in		548	1,668
Other Related Costs [Member]
Amounts incurred in the year ended:
Amounts incurred in		206	1,629
Non-cash Facility and Other [Member]
Amounts incurred in the year ended:
Amounts incurred in		$ 0	$ 4,316