PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
PROPERTY, PLANT AND EQUIPMENT
Accumulated depreciation and amortization	$ (108,936,000)	$ (111,157,000)
Property, plant and equipment - net	64,149,000	56,305,000
Depreciation of plant and equipment and amortization of leasehold improvements	7,800,000	8,700,000	8,000,000
Machinery and equipment and software | Minimum
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, useful life	5 years
Machinery and equipment and software | Maximum
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, useful life	10 years
Land and land improvements
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, Gross	16,056,000	15,996,000
Buildings and improvements
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, Gross	49,347,000	45,854,000
Machinery and other equipment
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, Gross	90,781,000	95,216,000
Leasehold improvements
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, Gross	11,191,000	9,714,000
Leasehold improvements | Minimum
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, useful life	15 years
Leasehold improvements | Maximum
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, useful life	39 years
Software Development
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, Gross	5,710,000	682,000
Accumulated depreciation and amortization	400,000
Capitalized internal costs	$ 5,000,000	$ 700,000