GOODWILL AND PURCHASED INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended		12 Months Ended			12 Months Ended						3 Months Ended
	Mar. 31, 2011	Sep. 30, 2009	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2012	Mar. 31, 2012 Technology [Member] years	Mar. 31, 2011 Technology [Member] years	Mar. 31, 2012 Customer Relationships [Member] years	Mar. 31, 2011 Customer Relationships [Member] years	Mar. 31, 2012 Other Intangible Assets [Member] years	Mar. 31, 2011 Other Intangible Assets [Member] years	Sep. 30, 2009 Property, plant and equipment [Member]	Sep. 30, 2009 Trademark and Trade Name [Member]	Sep. 30, 2009 Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Abstract]
Goodwill	$ 14,000,000		$ 14,000,000		$ 14,000,000
Finite-Lived Intangible Assets, Gross	4,732,000		4,732,000		4,732,000	3,000,000	3,000,000	1,705,000	1,705,000	27,000	27,000
Finite-Lived Intangible Assets, Accumulated Amortization	(3,876,000)		(3,876,000)		(4,349,000)	(3,000,000)	(2,812,000)	(1,322,000)	(1,044,000)	(27,000)	(20,000)
Finite-Lived Intangible Assets, Net	856,000		856,000		383,000	0	188,000	383,000	661,000	0	7,000
Finite-Lived Intangible Assets, Useful Life						6	6	8	8	7	7
Finite-Lived Intangible Assets, Amortization Expense			2,600,000	1,800,000
Accelerated Amortization Expense	1,400,000
Asset Impairment Charges												3,800,000	18,600,000	6,600,000
Deferred Tax Benefit, Other Intangibles and Property, Plant and Equipment		2,500,000
Deferred Tax Benefit, Impairment of Trademarks and Trade Name		$ 7,100,000