Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail)

v3.6.0.2
Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail)
$ in Thousands
Mar. 31, 2016
USD ($)
Pension Plans, Defined Benefit [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2017 $ 1,239
2018 1,261
2019 1,270
2020 1,484
2021 1,639
2022-2026 8,896
Total 15,789
Other Postretirement Benefit Plans [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2017 88
2018 84
2019 81
2020 77
2021 73
2022-2026 304
Total $ 707