DISCONTINUED OPERATIONS - Balance Sheets Information (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
OTHER ASSETS	$ 2,916	$ 2,960
Total Assets Held for Sale	3,240	374,013	$ 364,911
OTHER LIABILITIES	$ 2,647	3,037
Plastics [Member] | Discontinued Operations, Held-for-sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net		51,768
Inventories, net		45,742
Prepaid and other current assets		11,000
PROPERTY, PLANT AND EQUIPMENT, net		185,940
GOODWILL		57,087
INTANGIBLE ASSETS, net		12,298
OTHER ASSETS		6,889
Total Assets Held for Sale		370,724
Notes payable and current portion of long-term debt		11,163
Accounts payable		36,619
Accrued liabilities		14,553
LONG-TERM DEBT, net		10,549
OTHER LIABILITIES		11,566
Total Liabilities Held for Sale		$ 84,450