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Stock Options and Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Stock Options and Incentive Plans [Abstract] |
Schedule of Stock Option Activity | Activity with respect to these plans is as follows:
| 2015 | 2014 | 2013
Shares under option January 1 | 187,233 | 228,533 | 507,313
Options canceled | - | - | -
Options exercised | 98,460 | 41,300 | 278,780
Shares under option at December 31 | 88,773 | 187,233 | 228,533
Options exercisable at December 31 | 88,773 | 187,233 | 228,533
The weighted average exercise price is as follows:
| 2015 | 2014 | 2013
Shares under option January 1 | $18.99 | $18.94 | $19.45
Options canceled | - | - | -
Options exercised | 19.27 | 18.71 | 19.87
Shares under option December 31 | 18.67 | 18.99 | 18.94
Options exercisable December 31 | 18.67 | 18.99 | 18.94
Schedule of Executive Management Share-based Compensation Activity |
| Number of shares | Weighted average grant date value per share | Year-end intrinsic value (000's)
Shares potentially payable at January 1, 2013 | 229,361 | $24.13 | $5,202
Forfeitures | - | - |
Payments | (118,364) | $23.05 |
Shares accrued based on 2013 performance | 74,567 | $31.62 |
Shares potentially payable at December 31, 2013 | 185,564 | $27.51 | $6,667
Forfeitures | - | - |
Payments | (75,385) | $28.60 |
Shares accrued based on 2014 performance | 75,020 | $34.65 |
Shares potentially payable at December 31, 2014 | 185,199 | $30.69 | $5,683
Forfeitures | - | - |
Payments | (95,889) | $29.09 |
Shares accrued based on 2015 performance | 98,998 | $38.01 |
Shares potentially payable at December 31, 2015 | 188,308 | $35.35 | $6,657
Schedule of Other Management Share-based Compensation Activity |
| Number of shares | Weighted average value per share | Cash paid for share based liabilities(000's)
Share units potentially payable at January 1, 2013 | 350,760 |  |
Grants | 104,554 |  |
Payments | (85,902) | $32.71 | $2,810
Forfeitures | (8,223) |  |
Share units potentially payable at December 31, 2013 | 361,189 |  |
Grants | 91,631 |  |
Changes due to performance | (8,793) |  |
Payments | (86,840) | $35.01 | $3,040
Forfeitures | (9,246) |  |
Share units potentially payable at December 31, 2014 | 347,941 |  |
Grants | 90,065 |  |
Changes due to performance | 13,966 |  |
Payments | (167,482) | $36.08 | $6,040
Forfeitures | (31,624) |  |
Share units potentially payable at December 31, 2015 | 252,866 |  |

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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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