| **Stock-Based Compensation (Tables)**                                         | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
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| **Disclosure of Compensation Related Costs, Share-based Payments [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Stock-Based Compensation Recognized as Expense                                | Total stock-based compensation recorded in Corporate expense, net, on the Consolidated Statements of Income for the three years ended December 31, 2014 is as follows:  2014 2013 2012Stock compensation expense before tax benefit$210 $247 $998Income tax benefit(81) (95) (384) $129 $152 $614                                                                                                                                                                                                                                                                                                       |
| Summary of Option Activity Outstanding                                        | The following table sets forth the summary of option activity outstanding under the stock option program for 2014:  Number of   Shares Weighted  AverageExercise Price Weighted  AverageRemainingContractual Life(Years) AggregateIntrinsic Value($000)Balance at December 31, 201399,775 $54.15 2.9 —Forfeited or expired— — — —Balance at December 31, 201499,775 $54.15 1.9 —Vested or expected to vest at December 31, 201399,775 $54.15 1.9 —Exercisable at December 31, 201399,775 $54.15 1.9 — |

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| - Definition
Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.
+ References
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| - Definition
Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.
+ References
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