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Stock-Based Compensation Plans | 6 Months Ended
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Jun. 30, 2014
Stock-Based Compensation Plans [Abstract] |
Stock-Based Compensation Plans | (9) Stock-based Compensation Plans The Company records stock-based compensation expense in selling, general and administrative expenses in the condensed consolidated statements of operations and comprehensive income. Stock-based compensation expense for the quarter and six months ended June 30, 2014 and 2013 was as follows:
| Quarter Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2014 |  | 2013 |  | 2014 |  | 2013
Restricted stock awards | $ | 8,362 |  | $ | 3,125 |  | $ | 15,638 |  | $ | 5,346
The number of shares of restricted common stock awarded and the weighted average fair value per share during the quarter and six months ended June 30, 2014 and 2013 were as follows:
|  | Quarter Ended June 30,
|  | 2014 |  |  | 2013
(in thousands, except per share amounts) |  | Shares Awarded |  | Weighted Average Fair Value |  |  | Shares Awarded |  | Weighted Average Fair Value
Restricted stock awards: |  |  |  |  |  |  |  |  |  |  |
Granted under the 2004 Incentive Stock Plan |  | 143 |  | $ | 50.31 |  |  | 68 |  | $ | 46.84
Granted under the 2004 Restricted Stock Plan for Non-Employee Directors |  | 17 |  |  | 49.26 |  |  | 12 |  |  | 48.43
Total restricted stock awards |  | 160 |  | $ | 50.20 |  |  | 80 |  | $ | 47.09
|  | Six Months Ended June 30,
|  | 2014 |  |  | 2013
(in thousands, except per share amounts) |  | Shares Awarded |  | Weighted Average Fair Value |  |  | Shares Awarded |  | Weighted Average Fair Value
Restricted stock awards: |  |  |  |  |  |  |  |  |  |  |
Granted under the 2004 Incentive Stock Plan |  | 376 |  | $ | 69.00 |  |  | 291 |  | $ | 39.14
Granted under the 2004 Restricted Stock Plan for Non-Employee Directors |  | 17 |  |  | 49.26 |  |  | 12 |  |  | 48.43
Total restricted stock awards |  | 393 |  | $ | 68.15 |  |  | 303 |  | $ | 39.52
During the six months ended June 30, 2014, the Company granted restricted stock awards covering 376 shares of common stock pursuant to the Company’s 2004 Incentive Stock Plan. Of the 376 shares granted in the first six months of 2014, 30 shares were awarded to executive officers of the Company and 138 shares remained subject to acceptance at June 30, 2014. In the first six months of 2013, the Company granted restricted stock awards covering 291 shares of common stock pursuant to the Company’s 2004 Incentive Stock Plan, of which 27 shares were awarded to executive officers of the Company. In the first six months of 2014 and 2013, respectively, the Company granted 17 and 12 shares, respectively, of common stock pursuant to the Company’s 2004 Restricted Stock Plan for Non-Employee Directors. Stock compensation expense for Non-Employee Directors for the first six months of 2014 and 2013 was $849 and $600, respectively.

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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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