Employee Benefit Plans - Summary of Benefit Payments, Which Reflect Future Service, are Expected to be Paid (Detail) $ in Thousands |
Mar. 31, 2018
USD ($)
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|---|---|
| Pension Plans, Defined Benefit [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2019 | $ 1,206 |
| 2020 | 1,338 |
| 2021 | 1,428 |
| 2022 | 1,471 |
| 2023 | 1,490 |
| 2024-2028 | 8,369 |
| Total | 15,302 |
| Other Postretirement Benefit Plans [Member] | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2019 | 81 |
| 2020 | 77 |
| 2021 | 73 |
| 2022 | 69 |
| 2023 | 64 |
| 2024-2028 | 257 |
| Total | $ 621 |
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- Definition Aggregate amount of benefits from a defined benefit plan expected to be paid in the ten fiscal years following the latest fiscal year. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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