Employee Benefit Plans - Weighted Average Actuarial Assumptions Used to Develop Projected Benefit Obligation (Detail) - Other Postretirement Benefit Plans [Member] |
Mar. 31, 2016 |
Mar. 31, 2015 |
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| Defined Benefit Plan Disclosure [Line Items] | ||
| Discount rate | 3.16% | 3.11% |
| Medical care cost trend rate | 8.00% | 8.00% |
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- Definition Expected rate used to calculate the benefit obligation medical care cost trend rate. No definition available.
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- Definition The interest rate used to adjust for the time value of money for the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Details
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