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Pensions and Other Benefits (Tables) | 3 Months Ended
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Mar. 31, 2012
Pensions and Other Benefits [Abstract] |
Schedule of Net Periodic Benefit Plan Cost |
|  | Pension Plans |  | Other Postretirement Benefits
(in thousands) |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service cost |  | $849 |  |  | $849 |  |  | $268 |  |  | $228 |
Interest cost |  | 4,602 |  |  | 5,034 |  |  | 922 |  |  | 955 |
Expected return on plan assets |  | (4,168 | ) |  | (3,981 | ) |  | - |  |  | - |
Amortization: |  |  |  |  |  |  |  |  |  |  |  |
Transition obligation |  | 19 |  |  | 22 |  |  | - |  |  | - |
Prior service cost/(credit) |  | 9 |  |  | 9 |  |  | (917 | ) |  | (917 | )
Net actuarial loss |  | 1,773 |  |  | 1,422 |  |  | 804 |  |  | 753 |
Settlement charge |  | 9,175 |  |  | - |  |  | - |  |  | - |
Net periodic benefit costs |  | $12,259 |  |  | $3,355 |  |  | $1,077 |  |  | $1,019 |

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- 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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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