PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Property, plant and equipment [Abstract]
Land	$ 5,310,000	$ 4,977,000
Buildings	44,540,000	42,712,000
Machinery and equipment	141,665,000	138,223,000
Property, plant and equipment, gross	191,515,000	185,912,000
Less: accumulated depreciation	131,248,000	123,597,000
Property, plant and equipment, net	60,267,000	62,315,000
Depreciation expense	$ 10,180,000	$ 10,120,000	$ 9,947,000