OTHER COMPREHENSIVE INCOME (LOSS) (Details) - Summary of Other Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Pre-tax
Foreign currency translation adjustments	$ 796	$ 4,801	$ 11,130	$ (41,083)
Pension and other defined benefit plans	593	545	1,782	1,635
Cash flow hedges	1,838	278	(1,967)	74
Available-for-sale securities			0	(1,370)
Total other comprehensive income (loss)	3,227	5,624	10,945	(40,744)
Tax
Pension and other defined benefit plans	(207)	(192)	(624)	(576)
Cash flow hedges	(551)	(69)	590	(19)
Available-for-sale securities			0	500
Total other comprehensive income (loss)	(758)	(261)	(34)	(95)
Net of tax
Foreign currency translation adjustments	796	4,801	11,130	(41,083)
Pension and other defined benefit plans	386	353	1,158	1,059
Cash flow hedges	1,287	209	(1,377)	55
Available-for-sale securities	0	0	0	(870)
Total other comprehensive income (loss), net of taxes	$ 2,469	$ 5,363	$ 10,911	$ (40,839)

Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.