XML 101 R59.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Post Retirement Benefit Cost (Table Text Block) | 12 Months Ended
--- | ---
Mar. 31, 2014
Table Text Block [Abstract] |
Components of Net Periodic Post Retirement Benefit Cost | The components of net periodic post retirement benefit cost were as follows:
|  | Years Ended March 31,
|  | 2014 |  | 2013 |  | 2012
|  | (In thousands)
Service cost for benefits earned during the period | $ | 726 | $ | 622 | $ | 515
Interest cost on accumulated postretirement benefit |  | 564 |  | 554 |  | 568
Other components |  | 19 |  | 4 |  | (16 | )
Net periodic postretirement benefit cost | $ | 1,309 | $ | 1,180 | $ | 1,067

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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