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Employee Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2012
Employee Benefit Plans [Abstract] |
Net periodic benefit cost | The following tables set forth the components of the Company’s net periodic expense relating to retirement and post-retirement benefit plans:
Retirement Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Qualified Defined Benefits |  |  | Non-Qualified |
|  | U.S. Plan |  |  | Non-U.S. Plans |  |  | Supplemental Benefits |
|  | Three Months Ended March 31, |  |  | Three Months Ended March 31, |  |  | Three Months Ended March 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Service Cost |  | $ | 3,601 |  |  | $ | 3,542 |  |  | $ | 1,037 |  |  | $ | 735 |  |  | $ | 1,326 |  |  | $ | 1,016 |
Interest Cost |  |  | 6,284 |  |  |  | 6,809 |  |  |  | 2,097 |  |  |  | 2,131 |  |  |  | 1,979 |  |  |  | 1,960 |
Expected return on plan assets |  |  | (9,745 | ) |  |  | (9,618 | ) |  |  | (1,890 | ) |  |  | (2,014 | ) |  |  | - |  |  |  | - |
Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  |  | 263 |  |  |  | 326 |  |  |  | 30 |  |  |  | 30 |  |  |  | 1,856 |  |  |  | 1,816 |
Recognized actuarial loss |  |  | 3,379 |  |  |  | 2,084 |  |  |  | 120 |  |  |  | 64 |  |  |  | 35 |  |  |  | - |
Transition obligation |  |  | - |  |  |  | - |  |  |  | (12 | ) |  |  | (11 | ) |  |  | - |  |  |  | - |
Other |  |  | - |  |  |  | - |  |  |  | 51 |  |  |  | 32 |  |  |  | - |  |  |  | - |
Net periodic expense |  | $ | 3,782 |  |  | $ | 3,143 |  |  | $ | 1,433 |  |  | $ | 967 |  |  | $ | 5,196 |  |  | $ | 4,792 |
Post-Retirement Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Post-Retirement Benefits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Three Months Ended March 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | 2012 |  |  |  | 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service Cost |  | $ | 62 |  |  | $ | 52 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Cost |  |  | 148 |  |  |  | 181 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost |  |  | (104 | ) |  |  | (102 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized actuarial loss |  |  | (5 | ) |  |  | (60 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net periodic expense |  | $ | 101 |  |  | $ | 71 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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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