DEBT Schedule of Long-term Debt Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Debt Instrument [Line Items]
Long-term debt, net	$ 8,259	$ 15,852
Convertible subordinated debt, net of discount	43,907	42,521
Long-term Debt and Capital Lease Obligations	60,133	58,373
Current portion of debt, net	(7,967)	0	0
Long-term Debt, Excluding Current Maturities	52,166		58,373
Notes Payable to Banks [Member] | Term A Loan Ten Point Five Percent [Member]
Debt Instrument [Line Items]
Long-term debt, net	7,963	8,090
Long-term Debt, Excluding Current Maturities	7,963
Capital leases, non-current portion
Debt Instrument [Line Items]
Long-term debt, net	4	7
2014 Debentures, convertible, 8.0% fixed-rate notes, due October 2014
Debt Instrument [Line Items]
Convertible subordinated debt, net of discount	43,907	42,521
Long-term Debt, Excluding Current Maturities	43,907
2014 Debentures, convertible, 8.0% fixed-rate notes, due October 2014 | Term B Loan Convertible Eight Point Zero Percent [Member]
Debt Instrument [Line Items]
Long-term debt, net	$ 8,259	$ 7,755