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Note 4 - Property, Plant and Equipment (Details) - Summary of Property, Plant and Equipment - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Property, Plant and Equipment [Line Items]    
Property plant and equipment, gross $ 252,911 $ 249,834
Less accumulated depreciation 144,375 153,137
Property, plant and equipment - net 108,536 96,697
Land Buildings and Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, gross 71,517 78,596
Machinery Equipment and Other [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, gross $ 181,394 $ 171,238