INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Current:
Federal	$ (8,049)	$ 8,198	$ 15,448
State	918	2,437	1,927
Foreign	25,705	18,581	21,005
Total current	18,574	29,216	38,380
Deferred:
Federal	1,296	(14,182)	331
State	(1,232)	(2,720)	328
Foreign	1,193	2,188	1,293
Total deferred	1,257	(14,714)	1,952
Total income tax expense	$ 19,831	$ 14,502	$ 40,332