LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate			6.00%
Cash Interest	$ (10,541)	$ (10,060)	$ (31,041)	$ (32,395)
Amort. Debt Discount	(1,004)	(921)	(2,956)	(2,713)
Amort. Deferred Cost & Other Fees	624	680	1,938	2,076
Total Interest Expense	$ (12,169)	(11,661)	(35,935)	$ (37,184)
Senior notes due 2018 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate				7.40%
Cash Interest			0	$ (15,930)
Amort. Debt Discount			0	0
Amort. Deferred Cost & Other Fees			0	667
Total Interest Expense			$ 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%	5.50%
Cash Interest	$ (7,875)	(7,875)	$ (23,625)	$ (10,675)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	323	310	967	421
Total Interest Expense	(8,198)	(8,185)	(24,592)	(11,096)
Revolver due 2019 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(761)	(309)	(1,758)	(782)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	116	144	407	422
Total Interest Expense	$ (877)	$ (453)	$ (2,165)	$ (1,204)
Convert. debt due 2017 [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	9.20%	9.10%	9.10%	9.10%
Cash Interest	$ (1,000)	$ (1,000)	$ (3,000)	$ (3,000)
Amort. Debt Discount	(1,004)	(921)	(2,956)	(2,713)
Amort. Deferred Cost & Other Fees	111	112	332	333
Total Interest Expense	$ (2,115)	$ (2,033)	$ (6,288)	$ (6,046)
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	$ (117)	$ (124)	$ (357)	$ (376)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	36	35	108	108
Total Interest Expense	$ (153)	$ (159)	$ (465)	$ (484)
ESOP Loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Effective Interest Rate	2.90%	2.90%	2.90%	3.20%
Cash Interest	$ (255)	$ (192)	$ (769)	$ (524)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	17	25	52	32
Total Interest Expense	$ (272)	$ (217)	$ (821)	$ (556)
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%	5.40%
Cash Interest	$ (100)	$ (112)	$ (308)	$ (345)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	6	5	19	19
Total Interest Expense	(106)	(117)	(327)	(364)
Non U.S. lines of credit [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(195)	(307)	(445)	(724)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	27	0	27
Total Interest Expense	(195)	(334)	(445)	(751)
Non U.S. term loans [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(324)	(273)	(1,049)	(426)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	14	13	44	17
Total Interest Expense	(338)	(286)	(1,093)	(443)
Other long term debt [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(12)	(6)	(65)	(17)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	1	9	9	30
Total Interest Expense	(13)	(15)	(74)	(47)
Capitalized interest [Member]
LONG-TERM DEBT (Details) - Summary of Interest Expense Incurred [Line Items]
Cash Interest	(98)	(138)	(335)	(404)
Amort. Debt Discount	0	0	0	0
Amort. Deferred Cost & Other Fees	0	0	0	0
Total Interest Expense	$ (98)	$ (138)	$ (335)	$ (404)