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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Income Taxes [Line Items]    
Gross unrecognized tax benefits $ 1,300 $ 1,301
Unrecognized tax benefits that would impact effective tax rate if recognized 900  
Income tax penalties and interest accrued $ 1,200  
Federal statutory income tax rate 35.00%  
Minimum [Member]    
Income Taxes [Line Items]    
Open year subject to income tax examinations 2010  
Belgium [Member]    
Income Taxes [Line Items]    
Pre-tax income $ 900