XML 89 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Employee Benefit Plans (Table Text Block) | 6 Months Ended
--- | ---
Sep. 30, 2012
Disclosure Text Block Supplement [Abstract] |
Compensation and employee benefit plans | The components of the net periodic benefit costs with respect to postretirement benefits were as follows:
|  | Quarter Ended September 30, |
|  | 2012 |  |  | 2011 |
|  | (Unaudited) |
|  | (In thousands) |
Service cost for benefits earned during the period |  | $ | 156 |  |  | $ | 128 |
Interest cost on accumulated postretirement benefit |  |  | 138 |  |  |  | 142 |
Other components |  |  | 1 |  |  |  | (4 | )
Net periodic postretirement benefit cost |  | $ | 295 |  |  | $ | 266 |
|  | Six Months Ended September 30, |
|  | 2012 |  |  | 2011 |
|  | (Unaudited) |
|  | (In thousands) |
Service cost for benefits earned during the period |  | $ | 311 |  |  | $ | 257 |
Interest cost on accumulated postretirement benefit |  |  | 277 |  |  |  | 284 |
Other components |  |  | 2 |  |  |  | (8 | )
Net periodic postretirement benefit cost |  | $ | 590 |  |  | $ | 533 |

X
- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References No definition available. + Details
Name: | us-gaap_CompensationAndEmployeeBenefitPlansTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration