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STOCK-BASED COMPENSATION (Tables) | 3 Months Ended
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Mar. 31, 2017
STOCK-BASED COMPENSATION |
Schedule of weighted-average assumptions used to estimate the fair value of options granted |
|  | Three-Months Ended March 31,
|  | 2017 |  | 2016
Dividend yield |  | 0.0% |  | 0.0%
Expected volatility |  | 36.6% |  | 36.2%
Risk-free interest rate |  | 2.1% |  | 1.5%
Expected term |  | 6.1 years |  | 5.7 years
Summary of Company's activities with respect to its stock option plans |
Options |  | Number of Shares (In thousands) |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Term (In years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2017 |  | 22,643 |  | $ | 23.55 |  | 5.8 |  | $ | 474,739
Granted 01/01/17 - 03/31/17 |  | 1,319 |  | $ | 45.94 |  |  |  |
Exercised |  | (993) |  | $ | 13.72 |  |  |  |
Cancelled or forfeited |  | (107) |  | $ | 40.16 |  |  |  |
Outstanding at March 31, 2017 |  | 22,862 |  | $ | 25.19 |  | 5.9 |  | $ | 480,827
Vested and expected to vest in the future at March 31, 2017 |  | 21,438 |  | $ | 24.04 |  | 5.7 |  | $ | 475,332
Exercisable at March 31, 2017 |  | 13,205 |  | $ | 14.13 |  | 3.9 |  | $ | 423,110
Summary of Company's activities with respect to non-vested restricted stock units |
|  | Number of Shares (in thousands) |  | Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2017 |  | 556 |  | $ | 39.95
Granted 01/01/17- 03/31/17 |  | 252 |  | $ | 46.27
Vested |  | (212) |  | $ | 39.77
Forfeited/cancelled |  | (2) |  | $ | 20.69
Non-vested at March 31, 2017 |  | 594 |  | $ | 42.76

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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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- 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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