SHARE-BASED COMPENSATION PLANS (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) Director	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Omnibus Incentive Plan [Abstract]
Share based compensation expense					$ 12,416	$ 10,897
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	$ 3,710			$ 3,106	12,416	10,897
Stock based compensation - tax benefit	(1,225)			(1,009)	(4,189)	(3,694)
Total share-based compensation expense, net of tax	2,485			2,097	8,227	7,203
Number of non-employee directors who have completed two full terms of service | Director		6
Fair value of awards for completing minimum full terms of service		$ 1,308
Additional share-based compensation expense			$ 378
Fair value of unvested equity			$ 5,033
Cost of Goods Sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	469			462	1,430	1,391
Research, Development and Technical [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	388			378	1,187	1,096
Selling and Marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	252			318	820	978
General and Administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation expense	$ 2,601			$ 1,948	$ 8,979	$ 7,432