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Retirement Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Retirement Benefit Plans [Abstract] |
Changes In Benefit Obligations, Changes In Plan Assets And The Funded Status Of The Plans |
|  |  | Supplemental Executive |
|  |  | Retirement Plans |
|  |  | Fiscal Year Ending |
|  |  | 2015 |  |  |  |  | 2014 |
Obligations and Funded Status |  |  |  |  |  |  |  |  |
Change in Benefit Obligation |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of year | $ |  | 3,969 |  | $ | 3,882 |
Service cost |  |  | 71 |  |  |  |  | 64 |
Interest cost |  |  | 125 |  |  |  |  | 149 |
Actuarial (gain) loss on supplemental retirement plans |  |  | --- |  |  |  |  | 205 |
Benefits and expenses paid |  |  | (291 | ) |  |  |  | (331 | )
Benefit obligation at end of year | $ |  | 3,874 |  | $ | 3,969 |
Change in plan assets |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | $ |  | --- |  |  | $ |  | --- |
Benefits and expenses paid |  |  | (291 | ) |  |  |  | (331 | )
Contributions |  |  | 291 |  |  |  |  | 331 |
Fair value of plan assets at end of year | $ |  | --- |  |  | $ |  | --- |
Funded status at end of year | $ |  | (3,874 | ) | $ | (3,969 | )
Summary Of Assumptions Used In Determining The Benefit Obligations And Net Periodic Benefit Costs |
| Supplemental Executive |
| Retirement Plans |
Assumptions | Fiscal Year Ending |
| 2015 |  | 2014 |  | 2013 |
Weighted-average discount rate beginning of the year | 3.27 | % | 4.02 | % | 3.14 | %
Weighted-average discount rate end of the year | 3.48 | % | 3.27 | % | 4.02 | %
Schedule Of Components Of Net Periodic Benefit Cost |
|  | Supplemental Executive |
|  | Retirement Plans |
|  | Fiscal Year Ending |
|  | 2015 |  | 2014 |  | 2013 |
Components of Net Periodic Benefit Cost and Other |  |  |  |  |  |  |
Amounts Recognized in the Consolidated Income Statements |  |  |  |  |  |  |
Service cost | $ | 71 | $ | 64 | $ | 209 |
Interest cost |  | 125 |  | 149 |  | 120 |
Recognition of net actuarial (gain) loss |  | 38 |  | 28 |  | (105 | )
Total recognized in the consolidated income statements | $ | 234 | $ | 241 | $ | 224 |
Other Changes and Benefit Obligations Recognized in Other |  |  |  |  |  |  |
Comprehensive Income (pre-tax) |  |  |  |  |  |  |
Recognition of net actuarial loss (gain) |  | 79 |  | 174 |  | 42 |
Total recognized in other comprehensive income (pre-tax) |  | 79 |  | 174 |  | 42 |
Total recognized in the consolidated income statements |  |  |  |  |  |  |
and other comprehensive income (pre-tax) | $ | 313 | $ | 415 | $ | 266 |
Schedule Of Expected Contributions To Fund Benefit Payments Under Supplemental Executive Retirement Plans |
2016 | $ | 291 |  |  |  |
2017 |  | 291 |  |  |  |
2018 |  | 345 |  |  |  |
2019 |  | 383 |  |  |  |
2020 |  | 299 |  |  |  |
2021 and thereafter |  | 3,522 |  |  |  |
Total | $ | 5,131 |  |  |  |

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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + 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 (k) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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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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