FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value		$ 16,064	$ 19,640
Term Loan A [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value	[1]	0	3,693
Celmet Building Term Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying Value		$ 834	$ 932

[1] The Albuquerque Mortgage Loan and the Albuquerque Industrial Revenue Bond were repaid in connection with the sale-leaseback transaction described in Note 12—Capital Lease. The proceeds from the transaction were also used to pay down Term Loan A, which was subsequently paid off in due course.