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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] |
Schedule of Stock-based Compensation Expense | A summary of stock-based compensation expense for the six months ended June 30, 2015 and 2014 is as follows:
| For the Six Months Ended June 30,
| 2015 |  | 2014
Stock Options | $ | 1,406,000 |  |  | $ | 1,296,000 |
Restricted Stock | 122,000 |  |  | 54,000 |
Employee Stock Purchase Plan ("ESPP") | 205,000 |  |  | 181,000 |
Total pre-tax stock-based compensation expense charged against income (1) | $ | 1,733,000 |  |  | $ | 1,531,000 |
(1) | Stock-based compensation expense is recorded in the selling, general and administrative caption in our consolidated statements of comprehensive income.
Summary Of Other Information Of Stock Option Plans | Other information pertaining to activity of our stock awards during the six months ended June 30, 2015 and 2014 were as follows:
| June 30, 2015 |  | June 30, 2014
Total grant-date fair value of stock awards granted | $ | 4,027,000 |  |  | $ | 4,268,000 |
Total fair value of stock awards vested during period | $ | 2,719,000 |  |  | $ | 2,051,000 |
Total unrecognized compensation expense related to non-vested stock awards | $ | 8,611,000 |  |  | $ | 7,847,000 |
A summary of our stock option activity under the 2012 Plan as of December 31, 2014 and changes during the six months ended June 30, 2015 is as follows:
| Stock Options Outstanding
| Number of Shares |  | Weighted Average Exercise Price
December 31, 2014 | 2,362,000 |  |  | $ | 19.45 |
Granted | 561,000 |  |  | 30.30 |
Cancelled | (41,000 | ) |  | 26.48 |
Exercised | (237,000 | ) |  | 17.69 |
June 30, 2015 | 2,645,000 |  |  | $ | 21.79 |
Schedule of Nonvested Share Activity | A summary of our non-vested stock-based compensation as of December 31, 2014 and changes during the six months ended June 30, 2015 is as follows:
| Number of Non-vested Shares |  | Weighted Average Grant Date Fair Value
December 31, 2014 | 1,465,000 |  |  | $ | 6.17 |
Granted | 561,000 |  |  | 6.64 |
Vested | (488,000 | ) |  | 5.17 |
Forfeited | (44,000 | ) |  | 6.59 |
June 30, 2015 | 1,494,000 |  |  | $ | 6.66 |
Summarized Information Of Stock Options Outstanding | The following table summarizes other information about our outstanding stock options at June 30, 2015.
|  | Stock Options
Range of exercise prices |  | $10.39 - $30.30 |
Outstanding: |  |
Weighted average remaining contractual life (years) |  | 6.9 |
Aggregate intrinsic value |  | $ | 29,787,000 |
Exercisable: |  |
Number of shares |  | 1,150,000 |
Weighted average remaining contractual life (years) |  | 5.2 |
Aggregate intrinsic value |  | $ | 19,172,000 |
Exercised: |  |
Aggregate intrinsic value |  | $ | 3,326,000 |
Assumption For Fair Value Of Options Granted | The fair value of stock awards granted in 2015 and 2014 was estimated on the date of grant using the Black-Scholes option valuation model based on the following assumptions:
| June 30, 2015 |  | June 30, 2014
Risk-free interest rate | 1.9% |  | 1.9%
Weighted average expected life in years | 5.8 years |  | 5.9 years
Expected volatility | 27.2% |  | 36.9%
Dividend yield | 2.2% |  | 2.4%
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions | The stock-based compensation expense associated with our ESPP was estimated on the date of grant using the Black-Scholes option valuation model based on the following assumptions:
| June 30, 2015 |  | June 30, 2014
Risk-free interest rate | 0.18% |  | 0.10%
Weighted average expected life in years | 1.0 year |  | 1.0 year
Expected volatility | 19.2% |  | 21.9%
Dividend yield | 2.2% |  | 2.4%

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