DISCONTINUED OPERATIONS - Balance Sheets Information (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017
ASSETS
OTHER ASSETS	$ 2,952	$ 2,960
Total Assets Held for Sale	380,555	374,013
LIABILITIES
OTHER LIABILITIES	5,225	3,037
PPC [Member] | Discontinued Operations, Held-for-sale [Member]
ASSETS
Accounts receivable, net	52,004	51,768
Inventories, net	46,552	45,742
Prepaid and other current assets	10,904	11,000
PROPERTY, PLANT AND EQUIPMENT, net	191,793	185,940
GOODWILL	56,865	57,087
INTANGIBLE ASSETS, net	12,228	12,298
OTHER ASSETS	6,929	6,889
Total Assets Held for Sale	377,275	370,724
LIABILITIES
Notes payable and current portion of long-term debt	11,929	11,163
Accounts payable	29,705	36,619
Accrued liabilities	14,407	14,553
LONG-TERM DEBT, net	10,348	10,549
OTHER LIABILITIES	19,348	11,566
Total Liabilities Held for Sale	$ 85,737	$ 84,450