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Pension And Other Postretirement Benefits | 3 Months Ended
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Mar. 31, 2012
Pension And Other Postretirement Benefits [Abstract] |
Pension And Other Postretirement Benefits | K. Pension and Other Postretirement Benefits – The components of net periodic benefit cost were as follows:
|  | Pension benefits |  |  | Other postretirement benefits |
First quarter ended March 31, |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service cost |  | $ | 47 |  |  | $ | 41 |  |  | $ | 4 |  |  | $ | 4 |
Interest cost |  |  | 160 |  |  |  | 169 |  |  |  | 33 |  |  |  | 40 |
Expected return on plan assets |  |  | (202 | ) |  |  | (201 | ) |  |  | — |  |  |  | (1 | )
Amortization of prior service cost (benefit) |  |  | 5 |  |  |  | 5 |  |  |  | (4 | ) |  |  | (4 | )
Recognized net actuarial loss |  |  | 96 |  |  |  | 62 |  |  |  | 6 |  |  |  | 7 |
Net periodic benefit cost |  | $ | 106 |  |  | $ | 76 |  |  | $ | 39 |  |  | $ | 46 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 264 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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