SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Inventory [Line Items]
Inventory, net of reserves for excess and obsolete inventory	$ 5,500,000	$ 4,100,000
Unbilled receivable	84,200,000	50,400,000
Allowance for doubtful accounts	0	0
Provision for doubtful accounts and inventory obsolescence	1,000,000	3,900,000	0
Deferred fees	7,700,000	12,000,000
Deferred costs	$ 9,600,000	$ 17,400,000
Minimum [Member]
Inventory [Line Items]
Inventory reserves (percent)	3.00%
Maximum [Member]
Inventory [Line Items]
Inventory reserves (percent)	5.00%