RESTRUCTURING CHARGES AND SEVERANCE CHARGES - Restructuring Activities and Accrued Liabilities in the Consolidated Balance Sheets (Details) (Other Facilities, USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 2,312
Provisions	8,209
Cash expenditures	(7,285)
Other non-cash settlement	(207)
Ending Balance	3,029
Employee Severance
Restructuring Cost and Reserve [Line Items]
Beginning Balance	2,122
Provisions	7,917
Cash expenditures	(6,971)
Other non-cash settlement	(201)
Ending Balance	2,867
Contract Termination Costs
Restructuring Cost and Reserve [Line Items]
Beginning Balance	190
Provisions	103
Cash expenditures	(219)
Other non-cash settlement	(6)
Ending Balance	68
Other Associated Costs
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0
Provisions	189
Cash expenditures	(95)
Other non-cash settlement	0
Ending Balance	$ 94