Employee Benefit Plans - Components of the Change in Pension Benefit Obligation (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2017 |
Jan. 31, 2016 |
Jan. 31, 2015 |
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| Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] | |||
| Projected benefit obligation, beginning of fiscal year | $ 1,063 | $ 1,247 | |
| Service cost | 238 | 288 | $ 176 |
| Interest cost | 54 | 51 | 39 |
| Actuarial gain | (801) | (435) | 379 |
| Foreign currency exchange rate changes | (24) | (88) | |
| Projected benefit obligation, end of fiscal year | 530 | 1,063 | $ 1,247 |
| Funded status at end of fiscal year | $ 530 | $ 1,063 | |
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- References 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 Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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