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Pension Information (Tables) | 9 Months Ended
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Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract] |
Components of Net Periodic Pension Expense | Net periodic pension expense was as follows:
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | — |  |  | $ | 94 |  |  | $ | — |  |  | $ | 264 |
Interest cost |  |  | 156 |  |  |  | 201 |  |  |  | 468 |  |  |  | 581 |
Expected return on plan assets |  |  | (283 | ) |  |  | (312 | ) |  |  | (848 | ) |  |  | (903 | )
Other components |  |  | 70 |  |  |  | 89 |  |  |  | 210 |  |  |  | 222 |
Net periodic pension cost (benefit) |  | $ | (57 | ) |  | $ | 72 |  |  | $ | (170 | ) |  | $ | 164 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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