Employee Benefit Plans - Weighted Average Actuarial Assumptions Used to Determine Benefit Obligation (Detail) - Pension Plans, Defined Benefit [Member] |
Mar. 31, 2017 |
Mar. 31, 2016 |
|---|---|---|
| Defined Benefit Plan Disclosure [Line Items] | ||
| Discount rate | 4.08% | 3.93% |
| Rate of increase in compensation levels | 3.00% | 3.00% |
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Expected rate of compensation increases (for pay-related plans). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|