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Employee Benefit Plans - Additional Information (Detail) - USD ($)
3 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Supplemental Executive Retirement Plan    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, employer contributions $ 0 $ 0
Expected contribution to the plan during the remaining quarters of fiscal 2016 0  
U.S. Defined Benefit Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, employer contributions 0 $ 0
Expected contribution to the plan during the remaining quarters of fiscal 2016 $ 0