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Retirement Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract] |
Components of the net periodic benefit cost | The components of the net periodic benefit cost for the three and nine months ended September 30, 2012 and 2011 were as follows:
| Three Months Ended |
| September 30 |
| Pension Benefits |  | Postretirement |
| U.S. Plans |  | Non-U.S. Plans |  | Medical Benefits |
| 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Service cost | $ | 175 |  |  | $ | 163 |  |  | $ | 33 |  |  | $ | 25 |  |  | $ | 34 |  |  | $ | 33 |  |
Interest cost | 485 |  |  | 503 |  |  | 131 |  |  | 122 |  |  | 140 |  |  | 153 |  |
Expected return on plan assets | (569 | ) |  | (581 | ) |  | (118 | ) |  | (109 | ) |  | — |  |  | — |  |
Amortization of net actuarial loss | 281 |  |  | 7 |  |  | — |  |  | — |  |  | 17 |  |  | — |  |
Amortization of prior service cost | 94 |  |  | 137 |  |  | 38 |  |  | 40 |  |  | (145 | ) |  | (145 | ) |
Foreign currency | — |  |  | — |  |  | (10 | ) |  | (325 | ) |  | — |  |  | — |  |
Net periodic cost | $ | 466 |  |  | $ | 229 |  |  | $ | 74 |  |  | $ | (247 | ) |  | $ | 46 |  |  | $ | 41 |  |
| Nine Months Ended |
| September 30 |
| Pension Benefits |  | Postretirement |
| U.S. Plans |  | Non-U.S. Plans |  | Medical Benefits |
| 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Service cost | $ | 514 |  |  | $ | 489 |  |  | $ | 99 |  |  | $ | 75 |  |  | $ | 104 |  |  | $ | 99 |  |
Interest cost | 1,446 |  |  | 1,509 |  |  | 392 |  |  | 366 |  |  | 419 |  |  | 459 |  |
Expected return on plan assets | (1,709 | ) |  | (1,744 | ) |  | (353 | ) |  | (325 | ) |  | — |  |  | — |  |
Amortization of net actuarial loss | 849 |  |  | 21 |  |  | — |  |  | — |  |  | 51 |  |  | — |  |
Amortization of prior service cost | 286 |  |  | 412 |  |  | 115 |  |  | 118 |  |  | (435 | ) |  | (435 | ) |
Foreign currency | — |  |  | — |  |  | 13 |  |  | (248 | ) |  | — |  |  | — |  |
Net periodic cost | $ | 1,386 |  |  | $ | 687 |  |  | $ | 266 |  |  | $ | (14 | ) |  | $ | 139 |  |  | $ | 123 |  |

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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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