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Restructuring and Other Exit Costs (Details 1) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Restructuring Reserve [Roll Forward]        
Restructuring charges (credits) $ 54 $ 115 $ 111 $ 252
Restructuring Plan December 2013 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance       1,434
Restructuring charges (credits)       370
Restructuring Reserve, Settled with Cash       (1,343)
Restructuring Reserve, Accrual Adjustment       (115)
Restructuring Reserve, Ending Balance 346   346  
Restructuring Plan 2014 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     626  
Restructuring charges (credits)     74  
Restructuring Reserve, Settled with Cash     (164)  
Restructuring Reserve, Ending Balance 481   481  
Restructuring Reserve, Translation Adjustment     3  
Employee Severance [Member] | Restructuring Plan 2012 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance       3
Restructuring Reserve, Accrual Adjustment       (3)
Restructuring Reserve, Ending Balance   $ 0   0
Employee Severance [Member] | Restructuring Plan December 2013 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance       1,434
Restructuring charges (credits)       195
Restructuring Reserve, Settled with Cash       (1,184)
Restructuring Reserve, Accrual Adjustment       (115)
Restructuring Reserve, Ending Balance 330   330  
Employee Severance [Member] | Restructuring Plan 2014 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance     626  
Restructuring charges (credits)     39  
Restructuring Reserve, Settled with Cash     (129)  
Restructuring Reserve, Ending Balance 481   481  
Restructuring Reserve, Translation Adjustment     3  
Employee Severance [Member] | Restructuring Plan Q1 2015 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring charges (credits)     88  
Restructuring Reserve, Settled with Cash     0  
Restructuring Reserve, Ending Balance 82   82  
Other Costs [Member] | Restructuring Plan December 2013 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance       0
Restructuring charges (credits)       175
Restructuring Reserve, Settled with Cash       (159)
Restructuring Reserve, Accrual Adjustment       0
Other Costs [Member] | Restructuring Plan 2014 [Member]        
Restructuring Reserve [Roll Forward]        
Restructuring Reserve, Beginning Balance       $ 0
Restructuring charges (credits)     35  
Restructuring Reserve, Settled with Cash     (35)  
Restructuring Reserve, Ending Balance $ 0   0  
Restructuring Reserve, Translation Adjustment     $ 0