Quarterly report pursuant to Section 13 or 15(d)

Employee Benefit Plans - Additional Information (Detail)

v3.3.1.900
Employee Benefit Plans - Additional Information (Detail) - USD ($)
 9 Months Ended
Dec. 31, 2015
Mar. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Self-Insured medical plan liability $ 273,000 $ 446,000
Pension Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Contributions to its defined benefit pension plan 0  
Contributions to the plan for the balance of fiscal 2016 0  
Other Postretirement Benefit Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Post retirement benefit plan 1,000  
Defined benefit plan, benefit expected to pay for the balance of fiscal 2016 $ 91,000