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Treasury Stock and Share Based Awards (Tables) | 3 Months Ended
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Mar. 31, 2012
Treasury Stock and Share Based Awards [Abstract] |
Treasury stock |
|  | Number of |  |  |  |
|  | Treasury |  |  |  |
|  | Shares |  |  | Cost |
Balance at January 1, 2012 |  |  | 3,391,592 |  |  | $ | 45,219 |
Restricted stock withholdings ( 1 ) |  |  | 122,043 |  |  |  | 2,700 |
Balance at March 31, 2012 |  |  | 3,513,635 |  |  | $ | 47,919 |
(1) | The Company withheld restricted shares as a result of the election by certain employees to satisfy their tax liabilities upon vesting in restricted stock. The Company determined the number of shares to be withheld based upon market values ranging from $21.95 to $22.40 per share.
Stock Options |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2012 |  |  | 82,166 |  |  | $ | 7.63 |  |  |  |  |
Exercised |  |  | (200 | ) |  | $ | 7.63 |  |  |  |  |
Outstanding at March 31, 2012 |  |  | 81,966 |  |  | $ | 7.63 |  |  | $ | 1,174 |
Options exercisable at March 31, 2012 |  |  | 81,966 |  |  | $ | 7.63 |  |  | $ | 1,174 |
Restricted stock |
|  | Shares of |  |  | Weighted Average |
|  | Restricted |  |  | Grant Date |
|  | Stock |  |  | Fair Value |
Outstanding at January 1, 2012 |  |  | 1,384,390 |  |  | $ | 16.85 |
Granted |  |  | 618,230 |  |  | $ | 21.63 |
Vested |  |  | (347,091 | ) |  | $ | 17.75 |
Outstanding at March 31, 2012 |  |  | 1,655,529 |  |  | $ | 18.45 |
Unvested restricted stock at March 31, 2012 |  |  | 1,655,529 |  |  | $ | 18.45 |
Number of shares vested under restricted stock unit awards |
|  | Number of |  |  |  |
|  | Shares |  |  | Value at |
|  | Vesting |  |  | Grant |
at IRR of at least 8.5% |  |  | 50,981 |  |  | $ | 1,103 |
at IRR of at least 10.5% |  |  | 101,974 |  |  | $ | 2,206 |
at IRR of at least 12.5% |  |  | 152,955 |  |  | $ | 3,308 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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 -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 + Details
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