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Employee Benefit Plans - Changes in Company's Benefit Obligation, Plan Assets and Funded Status for Plan (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Mar. 31, 2014
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Mar. 31, 2013
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Mar. 31, 2012
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Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Projected benefit obligation at beginning of year | $ 32,278 | $ 30,430 | |
| Service cost | 472 | 439 | |
| Interest cost | 1,359 | 1,427 | 1,421 |
| Actuarial (gain) loss | (226) | 1,561 | |
| Benefit payments | (1,094) | (1,579) | |
| Projected benefit obligation at end of year | 32,789 | 32,278 | 30,430 |
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Other Postretirement Benefit Plans [Member]
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| Defined Benefit Plan Disclosure [Line Items] | |||
| Projected benefit obligation at beginning of year | 1,030 | 999 | |
| Interest cost | 33 | 39 | 45 |
| Actuarial (gain) loss | (16) | 95 | |
| Benefit payments | (96) | (103) | |
| Projected benefit obligation at end of year | $ 951 | $ 1,030 | $ 999 |
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- Definition
The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period excluding administrative expenses. No definition available.
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- Definition
Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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