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Retirement Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2015
Retirement Benefit Plans [Abstract] |
Summary Of Net Periodic Benefit Costs |
|  | Supplemental Executive
|  | Retirement Plans
Three Months Ended September 30, |  | 2015 |  | 2014
Service cost | $ | 17 | $ | 16
Interest cost |  | 32 |  | 37
Actuarial loss on supplemental executive retirement plan, net of tax |  | 7 |  | 7
Net periodic benefit cost | $ | 56 | $ | 60
|  | Supplemental Executive
|  | Retirement Plans
Nine Months Ended September 30, |  | 2015 |  | 2014
Service cost | $ | 53 | $ | 48
Interest cost |  | 94 |  | 112
Actuarial loss on supplemental executive retirement plan, net of tax |  | 19 |  | 21
Net periodic benefit cost | $ | 166 | $ | 181

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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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