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EQUITY-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2017
EQUITY-BASED COMPENSATION |
Summary of activity related to restricted stock and RSUs |
|  | Restricted Stock & RSUs
|  | 2017 |  | 2016 |
|  |  |  | Weighted |  |  |  | Weighted |
|  |  |  | Average |  |  |  | Average |
|  | Number of |  | Grant Date |  | Number of |  | Grant Date |
|  | Shares |  | Fair Value |  | Shares |  | Fair Value |
Unvested Balance at January 1, |  | 8,504,190 |  | $ | 26.70 |  | 5,123,481 |  | $ | 28.67 |
Granted |  | 3,027,744 |  |  | 37.05 |  | 3,561,401 |  |  | 24.07 |
Forfeited |  | (61,633) |  |  | 29.99 |  | (33,559) |  |  | 26.95 |
Vested |  | (2,035,782) |  |  | 26.73 |  | (472,954) |  |  | 28.07 |
Unvested Balance at June 30, |  | 9,434,519 |  | $ | 29.89 |  | 8,178,369 |  | $ | 26.86 |
Schedule of assumptions used to estimate the fair value of stock option using the Black-Scholes valuation model |
|  | Assumptions |
Expected life (in years) |  |  | 6 |
Weighted-average risk free interest rate |  |  | 1.91 | %
Expected volatility |  |  | 35 | %
Dividend yield |  |  | 2.72 | %
Weighted-average fair value at grant date |  | $ | 6.70 |
Summary of activity related to stock options |
|  | Stock Options Outstanding
|  | 2017 |  | 2016 |
|  |  |  | Weighted |  |  |  | Weighted |
|  |  |  | Average |  |  |  | Average |
|  | Number |  | Exercise Price |  | Number |  | Exercise Price |
|  | Outstanding |  | Per Share |  | Outstanding |  | Per Share |
Outstanding at January 1, |  | 2,822,728 |  | $ | 20.95 |  | 3,081,203 |  | $ | 20.95 |
Grants |  | — |  |  | — |  | — |  |  | — |
Exercises |  | (243,077) |  |  | 20.95 |  | — |  |  | — |
Forfeitures or expirations |  | (72,000) |  |  | 20.95 |  | (124,000) |  |  | 20.95 |
Outstanding at June 30, |  | 2,507,651 |  | $ | 20.95 |  | 2,957,203 |  | $ | 20.95 |

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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 Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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