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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Restricted Stock Awards | The following table summarizes information about restricted stock awards for the nine months ended September 30, 2020:
Restricted Stock | Number of Shares |  | Weighted Average Grant-Date Fair Value
Balance at January 1, 2020 | 522,597 |  |  | $ | 59.57 |
Granted | 205,548 |  |  | 58.54 |
Vested | (199,476) |  |  | 57.59 |
Forfeited | (38,515) |  |  | 58.81 |
Balance at September 30, 2020 | 490,154 |  |  | 60.01 |
Schedule of Performance Stock Awards | The following table summarizes information about performance stock awards for the nine months ended September 30, 2020:
Performance Stock | Number of Shares |  | Weighted Average Grant-Date Fair Value
Balance at January 1, 2020 | 204,553 |  |  | $ | 64.78 |
Granted | 161,610 |  |  | 58.30 |
Vested | (23,222) |  |  | 55.75 |
Forfeited | (16,330) |  |  | 64.59 |
Balance at September 30, 2020 | 326,611 |  |  | 62.22 |

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