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EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2014
EQUITY |
Schedule of shares repurchased from employees to satisfy tax obligations incurred in connection with the vesting of restricted stock awards and the exercise of stock options |
Year Ended December 31 |  | Shares Repurchased |  | Aggregate Cost (in thousands) |  | Average Repurchase Price |
2012 |  |  | 9,175 |  | $ | 344 |  | $ | 37.51 |
2013 |  |  | 163,222 |  |  | 8,103 |  |  | 49.64 |
2014 |  |  | 34,293 |  |  | 2,161 |  |  | 63.01 |
Summary of stock option activity |
Year Ended December 31, 2013 |
|  | Number of Options |  | Weighted Avg. Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2013 |  |  | 720,448 |  | $ | 34.31 |  |  |  |  |  |  |
Exercised |  |  | (303,536 | ) |  | 30.64 |  |  |  |  |  |  |
Forfeited—Vested |  |  | (11,625 | ) |  | 46.01 |  |  |  |  |  |  |
Forfeited—Unvested |  |  | (4,000 | ) |  | 45.22 |  |  |  |  |  |  |
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Outstanding at December 31, 2013 |  |  | 401,287 |  |  | 36.63 |  |  | 6.0 |  | $ | 8,000,149 |
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Vested and expected to vest at December 31, 2013 |  |  | 398,036 |  |  | 35.86 |  |  | 6.0 |  | $ | 7,934,478 |
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Exercisable at December 31, 2013 |  |  | 241,662 |  |  | 35.86 |  |  | 5.2 |  | $ | 5,004,299 |
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Year Ended December 31, 2014 |
|  | Number of Options |  | Weighted Avg. Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2014 |  |  | 401,287 |  | $ | 36.63 |  |  |  |  |  |  |
Exercised |  |  | (43,034 | ) |  | 37.68 |  |  |  |  |  |  |
Forfeited—Unvested |  |  | (7,000 | ) |  | 34.22 |  |  |  |  |  |  |
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Outstanding at December 31, 2014 |  |  | 351,253 |  |  | 36.55 |  |  | 5.0 |  | $ | 10,901,529 |
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Vested and expected to vest at December 31, 2014 |  |  | 351,142 |  |  | 36.56 |  |  | 5.0 |  | $ | 10,987,590 |
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Exercisable at December 31, 2014 |  |  | 290,128 |  |  | 36.81 |  |  | 4.6 |  | $ | 8,929,815 |
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Summary of information relating to options granted and exercised | The following table summarizes information relating to options granted and exercised during 2012, 2013 and 2014 (in thousands, except fair value of options granted data):
|  | 2012 |  | 2013 |  | 2014 |
Weighted-average fair value of options granted |  | $ | 15.27 |  | $ | N/A |  | $ | N/A |
Aggregate intrinsic value of options exercised |  |  | 938 |  |  | 6,111 |  |  | 1,098,336 |
Cash proceeds received upon exercise of options |  |  | 1,452 |  |  | 2,669 |  |  | 1,621 |
Excess tax benefits from share-based compensation |  |  | (362 | ) |  | 2,101 |  |  | 513 |
Schedule of weighted-average assumptions using Black-Scholes option-pricing model for estimating fair value of each option granted |
|  | Options Granted in
|  | 2012
Risk-free interest rate |  | 1.4%
Expected dividend yield |  | 2.5%
Expected life |  | 6.25 years
Expected volatility |  | 53%
Summary of restricted stock activity |
|  | Shares |  | Weighted Avg. Fair Value |
Unvested as of January 1, 2013 |  |  | 103,853 |  | $ | 39.63 |
Granted |  |  | 100,902 |  |  | 48.54 |
Forfeited |  |  | (250 | ) |  | 46.85 |
Vested and issued |  |  | (49,986 | ) |  | 43.96 |
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Unvested as of December 31, 2013 |  |  | 154,519 |  | $ | 44.04 |
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|  | Shares |  | Weighted Avg. Fair Value |
Unvested as of January 1, 2014 |  |  | 154,519 |  | $ | 44.04 |
Granted |  |  | 109,318 |  |  | 64.73 |
Forfeited |  |  | (8,500 | ) |  | 51.44 |
Vested and issued |  |  | (60,194 | ) |  | 44.61 |
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Unvested as of December 31, 2014 |  |  | 195,143 |  | $ | 55.13 |
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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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- 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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