GOODWILL AND OTHER INTANGIBLE ASSETS (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Sep. 30, 2010
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract]
Goodwill	$ 43,080		$ 43,080		$ 40,436
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Other intangible assets amortization expense	688	602	2,032	1,795
Fiscal Year [Abstract]
Remainder of 2011			688
2012			2,718
2013			2,551
2014			2,506
2015			2,465
Trade Secrets and Know-How [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	2,550		2,550		2,550
Accumulated Amortization	2,550		2,550		2,550
Product Technology [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	8,430		8,430		8,206
Accumulated Amortization	3,707		3,707		2,926
Distribution Rights, Customer Lists and Other [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	12,738		12,738		11,939
Accumulated Amortization	4,546		4,546		3,300
Acquired Patents and Licenses [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	8,115		8,115		8,115
Accumulated Amortization	6,368		6,368		6,135
Other Intangible Assets Subject to Amortization [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	31,833		31,833		30,810
Accumulated Amortization	17,171		17,171		14,911
Other Intangible Assets [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	33,023		33,023		32,000
Accumulated Amortization	17,171		17,171		14,911
Other Intangible Assets Not Subject to Amortization [Member]
Schedule of Finite-Lived Intangible Assets and Infinite-Lived Intangible Assets by Major Class [Line Items]
Gross Carrying Amount	$ 1,190		$ 1,190		$ 1,190