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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Cash Proceeds Received from Share-based Payment Awards |
|  | Year Ended December 31,
|  | 2016 |  | 2015 |  | 2014
|  | (Amounts in thousands)
Cash received from stock option exercises |  | $ | 1,505 |  |  | $ | 2,111 |  |  | $ | 6,247 |
Compensation cost, all share-based awards |  | 142 |  |  | 5,208 |  |  | 4,112 |
Excess tax benefit, all share-based awards |  | 913 |  |  | 27 |  |  | 148 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The following table provides the assumptions used in the calculation of grant-date fair values of stock options awarded during 2013 based on the Black-Scholes option pricing model:
| 2013
Weighted-average grant-date fair value | $7.11
Expected volatility | 33.16% - 33.18%
Weighted-average expected volatility | 33.17%
Risk-free interest rate | 0.88% - 1.60%
Expected dividend yield | 5.40% - 5.76%
Expected term in months | 72
Summary of Stock Option Activity | The following table presents a summary of the stock option activity under the Company’s plans for the year ended December 31, 2016:
| Shares |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in 000’s)
Outstanding at January 1, 2016 | 168,000 |  |  | $ | 48.14 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (62,500) |  |  | $ | 46.12 |  |  |  |  |
Canceled or expired | (20,000) |  |  | $ | 57.10 |  |  |  |  |
Outstanding at December 31, 2016 | 85,500 |  |  | $ | 47.52 |  |  | 3.1 |  | $ | 1,085 |
Exercisable at December 31, 2016 | 65,500 |  |  | $ | 48.73 |  |  | 2.1 |  | $ | 752 |
Schedule of Options Authorized under Stock Option Plans, by Exercise Price Range | The following table presents information regarding stock options outstanding at December 31, 2016:
| Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Number of Options |  | Weighted-Average Remaining Contractual Life (Years) |  | Weighted- Average Exercise Price |  | Number of Options |  | Weighted- Average Exercise Price
$33.61-$45.30 | 41,000 |  | 5.7 |  | $ | 42.44 |  |  | 21,000 |  | $ | 41.40 |
$47.61-$50.35 | 15,000 |  | 1.3 |  | $ | 48.52 |  |  | 15,000 |  | $ | 48.52 |
$51.51-$54.93 | 29,500 |  | 0.4 |  | $ | 54.06 |  |  | 29,500 |  | $ | 54.06 |
Summary of Grants | The following table presents the restricted stock unit grants summary at December 31, 2016:
| Grant Year
| 2016 |  | 2015 |  | 2014
Three-year performance period ending December 31, | 2018 |  |  | 2017 |  |  | 2016 |
Vesting shares, target (net of forfeited) | 93,250 |  |  | 95,750 |  |  | 82,000 |
Vesting shares, maximum (net of forfeited) | 174,844 |  |  | 179,531 |  |  | 153,750 |
Summary of Vested And Unvested RSU | The following table presents a summary of restricted stock unit awards activity during the years indicated:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
| Shares |  | Weighted- Average Fair Value per Share |  | Shares |  | Weighted- Average Fair Value per Share |  | Shares |  | Weighted- Average Fair Value per Share
Outstanding at January 1 | 263,250 |  |  | $ | 45.94 |  |  | 167,000 |  |  | $ | 41.15 |  |  | 170,500 |  |  | $ | 39.64 |
Granted | 95,750 |  |  | $ | 53.49 |  |  | 100,250 |  |  | $ | 53.80 |  |  | 93,500 |  |  | $ | 45.17 |
Vested | (78,500 | ) |  | $ | 36.82 |  |  | — |  |  | — |  |  | — |  |  | — |
Forfeited/Canceled | (9,500) |  |  | $ | 50.46 |  |  | (4,000) |  |  | $ | 43.10 |  |  | (16,500) |  |  | $ | 43.99 |
Expired | — |  |  | — |  |  | — |  |  | — |  |  | (80,500) |  |  | $ | 44.01 |
Outstanding at December 31 | 271,000 |  |  | $ | 51.09 |  |  | 263,250 |  |  | $ | 45.94 |  |  | 167,000 |  |  | $ | 41.15 |

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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