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Restructuring (Tables)
 6 Months Ended
Sep. 30, 2017
Restructuring and Related Activities [Abstract]  
Restructuring Costs
The following table presents restructuring charges and cash payments for the six months ended September 30, 2017 (in thousands):
 
Severance pay

and benefits
Accrued restructuring balance at April 1, 2017
$
—

Charges to operations
1,328

Cash payments
(746
)
Accrued restructuring balance at September 30, 2017
$
582