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Stock-Based Compensation Plans | 12 Months Ended
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Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-Based Compensation Plans | NOTE 13. Stock-Based Compensation Plans In 1996, we adopted a Long-Term Incentive Plan (the “1996 Incentive Plan”). The number of shares of Class A Common Stock reserved for issuance under the 1996 Incentive Plan was 1,800,000. In 1997, we adopted a second Long-Term Incentive Plan (the “1997 Incentive Plan”). The number of shares of Class A Common Stock reserved for issuance under the 1997 Incentive Plan was 600,000. In 1999 we adopted a third Long-Term Incentive Plan (the “1999 Incentive Plan”). The number of shares of Class A Common Stock reserved for issuance under the 1999 Incentive Plan was 2,400,000. In 2002, we adopted a fourth Long-Term Incentive Plan (the “2002 Incentive Plan”). The number of shares of Class A Common Stock reserved for issuance under the 2002 Incentive Plan was 2,400,000. In 2003, we amended our 2002 Incentive Plan to add an additional 2,000,000 shares of Class A Common Stock that are reserved for issuance. In 2007, we amended our 2002 Incentive Plan to add an additional 1,000,000 shares of Class A Common Stock that are reserved for issuance. Under the 1996, 1997, 1999 and 2002 Incentive Plans, stock options, stock appreciation rights, restricted stock, restricted stock units and performance units may be granted for the purpose of attracting and motivating our key employees and non-employee directors. We have not granted any stock options since 2003. Restricted stock vests over a three to five year period. As of December 31, 2013, 929,623 shares were available for future grant. When stock options are exercised, either new shares are issued or shares are issued out of treasury. Share-based compensation expense for 2013, 2012 and 2011 was $7.6 million, $6.5 million and $4.8 million or $4.6 million, $4.0 million and $3.0 million, net of taxes, respectively. The following table summarizes the stock option activity for the year ended December 31, 2013:
Stock Options |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2013 |  |  | 16,500 |  |  | $ | 2.51 |  |  |  | 0.57 |  |  | $ | 513,004 |
Options exercised |  |  | (16,500 | ) |  | $ | 2.51 |  |  |  |  |  |  |  |  |
Options forfeited |  |  | — |  |  | $ | — |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | — |  |  | $ | — |  |  |  | 0.0 |  |  | $ | — |
Exercisable at December 31, 2013 |  |  | — |  |  | $ | — |  |  |  | 0.0 |  |  | $ | — |
Intrinsic value for stock options is defined as the difference between the current market value and the grant price. The total intrinsic value of options exercised during the years ended December 31, 2013, 2012 and 2011 was $0.6 million, $1.2 million and $1.1 million, respectively. Cash received from stock options exercised during the years ended December 31, 2013, 2012 and 2011 was $0.04 million, $0.07 million and $0.1 million, respectively. The tax benefit realized for tax deductions from stock options exercised for the years ended December 31, 2013, 2012 and 2011 was $0.2 million, $0.5 million and $0.7 million, respectively. The following table summarizes the non-vested restricted stock activity for the year ended December 31, 2013:
Non-vested restricted stock |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Non-vested January 1, 2013 |  |  | 686,778 |  |  | $ | 31.50 |
Granted |  |  | 300,900 |  |  | $ | 34.64 |
Vested |  |  | (216,376 | ) |  | $ | 30.20 |
Forfeited |  |  | (9,600 | ) |  | $ | 33.03 |
Non-vested at December 31, 2013 |  |  | 761,702 |  |  | $ | 33.09 |
The following table summarizes the restricted stock granted during the respective years:
Restricted stock grants |  | 2013 |  |  | 2012 |  |  | 2011 |
Employees |  |  | 280,900 |  |  |  | 276,017 |  |  |  | 246,284 |
Outside directors |  |  | 20,000 |  |  |  | 20,000 |  |  |  | 12,000 |
Total |  |  | 300,900 |  |  |  | 296,017 |  |  |  | 258,284 |
Weighted average grant date fair value |  | $ | 34.64 |  |  | $ | 32.62 |  |  | $ | 35.27 |
Vesting period |  |  | 3-5 years |  |  |  | 3-5 years |  |  |  | 3-5years |
The fair value of non-vested restricted stock is equal to the market price of our stock at the date of grant. The total fair value of restricted shares vested during the years ended December 31, 2013, 2012 and 2011 was $7.5 million, $5.4 million and $4.7 million, respectively. As of December 31, 2013, there was $18.1 million of unrecognized compensation cost related to non-vested share-based compensation that is expected to be recognized over a weighted average period of 2.84 years. During January 2014, we granted 249,773 shares of restricted stock to certain employees and 20,000 shares of restricted stock to outside directors with a weighted average grant date fair value of $39.36. The stock vests over a three to five year period.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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