OTHER COMPREHENSIVE INCOME (LOSS)-AOCI (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	$ (70,903)	$ (30,064)
Foreign currency translation adjustments [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	(44,903)	(3,820)
Pension and other defined benefit plans [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	(26,307)	(27,366)
Gain on cash flow hedge [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	307	252
Available-for-sale securities [Member]
Class of Stock [Line Items]
Accumulated other comprehensive income (loss)	$ 0	$ 870