LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	$ (11,458)	$ (10,352)
Amort. Debt Discount	(1,125)	(1,048)
Amort. Deferred Cost & Other Fees	790	623
Total Interest Expense	$ (13,373)	$ (12,023)
Senior notes due 2022 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.50%	5.40%
Cash Interest	$ (9,516)	$ (7,875)
Amort. Debt Discount	(67)	0
Amort. Deferred Cost & Other Fees	473	322
Total Interest Expense	(10,056)	(8,197)
Revolver due 2019 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(325)	(571)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	132	115
Total Interest Expense	$ (457)	$ (686)
Convert. debt due 2017 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	9.10%	9.00%
Cash Interest	$ (1,000)	$ (1,000)
Amort. Debt Discount	(1,058)	(1,048)
Amort. Deferred Cost & Other Fees	111	111
Total Interest Expense	$ (2,169)	$ (2,159)
Real estate mortgages [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	2.30%	3.30%
Cash Interest	$ (187)	$ (151)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	2	12
Total Interest Expense	$ (189)	$ (163)
ESOP Loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	3.30%	3.00%
Cash Interest	$ (364)	$ (256)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	27	18
Total Interest Expense	$ (391)	$ (274)
Capital lease - real estate [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.40%	5.40%
Cash Interest	$ (80)	$ (93)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	6	6
Total Interest Expense	(86)	(99)
Non U.S. lines of credit [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(135)	(259)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	3	24
Total Interest Expense	(138)	(283)
Non U.S. term loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(304)	(284)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	34	13
Total Interest Expense	(338)	(297)
Other long term debt [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(74)	(19)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	2	0
Total Interest Expense	(76)	(19)
Capitalized interest [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(527)	(156)
Amort. Debt Discount	0	0
Amort. Deferred Cost & Other Fees	0	2
Total Interest Expense	$ (527)	$ (154)