LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate			6.00%
Cash Interest	$ (10,381)us-gaap_InterestPaid	$ (10,807)us-gaap_InterestPaid	$ (20,501)us-gaap_InterestPaid	$ (22,335)us-gaap_InterestPaid
Amort. Debt Discount	(990)	(909)	(1,952)	(1,792)
Amort. Deferred Cost & Other Fees	641us-gaap_AmortizationOfFinancingCosts	673us-gaap_AmortizationOfFinancingCosts	1,313us-gaap_AmortizationOfFinancingCosts	1,396us-gaap_AmortizationOfFinancingCosts
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Senior notes due 2018 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate		7.10%		7.10%
Cash Interest	0	(6,133)	0	(15,930)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	261	0	667
Total Interest Expense	0	(6,394)	0	(16,597)
Senior notes due 2022 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.50%		5.50%
Cash Interest	(7,875)	(2,800)	(15,750)	(2,800)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	322	111	644	111
Total Interest Expense	(8,197)	(2,911)	(16,394)	(2,911)
Revolver due 2019 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(659)	(306)	(997)	(473)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	133	142	291	278
Total Interest Expense	(792)	(448)	(1,288)	(751)
Convert. debt due 2017 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	9.20%	9.30%	9.10%	9.10%
Cash Interest	(1,000)	(1,000)	(2,000)	(2,000)
Amort. Debt Discount	(990)	(909)	(1,952)	(1,792)
Amort. Deferred Cost & Other Fees	110	110	221	221
Total Interest Expense	(2,100)	(2,019)	(4,173)	(4,013)
Real estate mortgages [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	3.80%	3.80%	3.90%	4.00%
Cash Interest	(116)	(122)	(240)	(252)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	36	37	72	73
Total Interest Expense	(152)	(159)	(312)	(325)
ESOP Loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	2.90%	3.40%	2.90%	3.20%
Cash Interest	(254)	(180)	(514)	(332)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	18	5	35	7
Total Interest Expense	(272)	(185)	(549)	(339)
Capital lease - real estate [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	5.30%	5.30%	5.30%	5.30%
Cash Interest	(102)	(114)	(208)	(233)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	6	7	12	14
Total Interest Expense	(108)	(121)	(220)	(247)
Non U.S. lines of credit [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(109)	(224)	(250)	(417)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	0	0	0
Total Interest Expense	(109)	(224)	(250)	(417)
Non U.S. term loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(337)	(101)	(725)	(153)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	14	0	30	4
Total Interest Expense	(351)	(101)	(755)	(157)
Other long term debt [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(22)	0	(53)	(11)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	2	0	8	21
Total Interest Expense	(24)	0	(61)	(32)
Capitalized interest [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(93)	(173)	(236)	(266)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	0	0	0
Total Interest Expense	$ (93)	$ (173)	$ (236)	$ (266)

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