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SHARE-BASED COMPENSATION (TABLES) | 6 Months Ended
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Jun. 30, 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 six months ended June 30, 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 |
| Nonvested restricted stock - beginning of period | 347 |  |  | $ | 37.34 |  |  | 2,768 |  |  | $ | 38.70 |  |
| Granted | 104 |  |  | 53.32 |  |  | 556 |  |  | 51.69 |  |
| Vested | — |  |  | — |  |  | (1,109 | ) |  | 36.38 |  |
| Forfeited | (250 | ) |  | 34.42 |  |  | (29 | ) |  | 42.29 |  |
| Nonvested restricted stock - end of period | 201 |  |  | $ | 49.24 |  |  | 2,186 |  |  | $ | 43.13 |  |

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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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