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SHARE-BASED COMPENSATION (TABLES) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
RECONCILIATION OF BEGINNING AND ENDING BALANCE OF NONVESTED RESTRICTED STOCK (INCLUDING RSUS) TO BE SETTLED IN SHARES | The following table provides a reconciliation of the beginning and ending balance of nonvested restricted stock (including restricted stock units) for the year ended December 31, 2015:
|  | Performance-based Stock Awards |  | Service-based Stock Awards |
|  | Number of Restricted Stock |  | Weighted Average Grant Date Fair Value |  | Number of Restricted Stock |  | Weighted Average Grant Date Fair Value (1) |
| Nonvested restricted stock - beginning of year | 347 |  |  | $ | 37.34 |  |  | 2,768 |  |  | $ | 38.70 |  |
| Granted | 104 |  |  | 53.32 |  |  | 557 |  |  | 51.70 |  |
| Vested | — |  |  | — |  |  | (1,156 | ) |  | 36.31 |  |
| Forfeited | (250 | ) |  | 34.42 |  |  | (215 | ) |  | 43.02 |  |
| Nonvested restricted stock - end of year | 201 |  |  | $ | 49.24 |  |  | 1,954 |  |  | $ | 43.34 |  |
(1) Fair value is based on the closing price of our common shares on the New York Stock Exchange on the day of the grant.
SUMMARY OF STOCK OPTIONS OUTSTANDING AND EXERCISABLE AND RELATED ACTIVITY FOR THE YEAR | The following is a summary of stock options outstanding and exercisable at December 31, 2015 and related activity for the year ended:
|  | Number of Stock Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value |
| Outstanding and exercisable - beginning of year | 20 |  |  | $ | 28.02 |  |  |  |  |  |
| Granted | — |  |  | — |  |  |  |  |  |
| Exercised | (20 | ) |  | 28.02 |  |  |  |  |  |
| Expired | — |  |  | — |  |  |  |  |  |
| Outstanding and exercisable - end of year | — |  |  | $ | — |  |  | 0.0 |  | $ | — |  |

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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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- Definition Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + 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 (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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