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Retirement Plans (Details) (USD $)
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Retirement Plans [Abstract]    
Service cost $ 0 $ 0
Interest cost 35,000 42,000
Expected return on plan assets (16,000) (15,000)
Amortization of net (gain) loss 11,000 5,000
Net periodic benefit cost 30,000 32,000
German Subsidiary Defined Benefit Plan [Member]
   
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer contributions 6,000 7,000
United States Defined Contribution Plan [Member]
   
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer contributions 137,000 98,000
Employer matching contribution (in hundredths) 50.00%  
Employee contribution subject to employer match (in hundredths) 5.00%  
United Kingdom Defined Contribution Plan [Member]
   
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer contributions $ 13,000 $ 17,000
Employee contribution subject to employer match (in hundredths) 100.00%  
Minimum [Member] | United Kingdom Defined Contribution Plan [Member]
   
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer matching contribution (in hundredths) 4.00%  
Maximum [Member] | United Kingdom Defined Contribution Plan [Member]
   
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer matching contribution (in hundredths) 7.00%