Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012
Property, Plant and Equipment
Gross	66,237	65,498
Less accumulated depreciation	(29,426)	(28,430)
Property, plant and equipment, net	36,811	37,068
Property, plant and equipment, net, held in foreign countries	1,156	1,239
Land
Property, Plant and Equipment
Gross	1,350	1,350
Building and improvements
Property, Plant and Equipment
Gross	28,686	28,420
Building and improvements | Minimum
Property, Plant and Equipment
Useful Lives	10 years	10 years
Building and improvements | Maximum
Property, Plant and Equipment
Useful Lives	39 years	39 years
Machinery and equipment
Property, Plant and Equipment
Gross	32,741	32,322
Machinery and equipment | Minimum
Property, Plant and Equipment
Useful Lives	5 years	5 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Useful Lives	10 years	10 years
Furniture and fixtures
Property, Plant and Equipment
Gross	1,261	1,247
Furniture and fixtures | Minimum
Property, Plant and Equipment
Useful Lives	5 years	5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment
Useful Lives	7 years	7 years
Construction in progress
Property, Plant and Equipment
Gross	2,199	2,159