Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charge (Details)

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Restructuring Charge (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2015
Sep. 30, 2014
Restructuring charges        
Liability at beginning of period     $ 2,803  
Charged $ 0 $ 3,200 17 $ 55
Paid     (629)  
Liability at end of period 2,191 2,803 2,191  
Employee Severance [Member]        
Restructuring charges        
Liability at beginning of period     15 57
Charged     17 55
Paid     (32) (112)
Liability at end of period 0 15 0 $ 0
Other Restructuring [Member]        
Restructuring charges        
Liability at beginning of period     2,788  
Charged     0  
Paid     (597)  
Liability at end of period $ 2,191 $ 2,788 $ 2,191