BUSINESS SEGMENTS AND FOREIGN OPERATIONS, Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Geographic information [Abstract]
Net sales	$ 263,909	$ 285,282	$ 355,870
Long-lived assets	68,072	72,991
United States [Member]
Geographic information [Abstract]
Net sales	108,380	127,844	165,658
Long-lived assets	46,821	51,618
China [Member]
Geographic information [Abstract]
Net sales	33,830	29,119	19,955
Switzerland [Member]
Geographic information [Abstract]
Long-lived assets	8,196	7,964
Belgium [Member]
Geographic information [Abstract]
Long-lived assets	7,450	7,262
Italy [Member]
Geographic information [Abstract]
Net sales	17,396	19,140	27,075
Long-lived assets	3,531	3,817
Canada [Member]
Geographic information [Abstract]
Net sales	9,277	10,846	44,889
Other Countries [Member]
Geographic information [Abstract]
Net sales	95,026	98,333	98,293
Long-lived assets	$ 2,074	$ 2,330