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Restructuring - Schedule of Restructuring Charges and Cash Payments (Detail) - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Restructuring Cost And Reserve [Line Items]    
Accrued restructuring balance $ 180 $ 844
Charges to operations 33 1,952
Cash payments (213) (2,015)
Accrued restructuring balance   781
Severance Pay And Benefits    
Restructuring Cost And Reserve [Line Items]    
Accrued restructuring balance 180 844
Charges to operations (5) 674
Cash payments (175) (987)
Accrued restructuring balance   531
Facility Exit And Relocation Costs    
Restructuring Cost And Reserve [Line Items]    
Charges to operations 38 1,278
Cash payments $ (38) (1,028)
Accrued restructuring balance   $ 250