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Noncash Share-based Compensation (Note) | 3 Months Ended
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Mar. 31, 2014
Noncash Share-based Compensation [Abstract] |
Noncash Share-based Compensation | Noncash Share-based Compensation During the three months ended March 31, 2014, the Company granted 793,070 shares of RSUs with a weighted average grant-date fair value of $35.69 per share. The Company granted 185,600 MSUs with a weighted average grant-date fair value of $49.50 to certain executive officers and non-executive employees during the three months ended March 31, 2014. These MSUs vest on January 1, 2017 and the actual number of MSUs that will be eligible to vest is based on the total stockholder return of the Company relative to the total stockholder return of the Index over the Performance Period, as defined by each award's plan documents or individual award agreements. The Company did not grant any stock options or SARs during the three months ended March 31, 2014. Share-based compensation expense is allocated to expense categories on the unaudited condensed consolidated statements of comprehensive income. The following table summarizes share-based compensation expense included in the Company’s unaudited condensed consolidated statements of comprehensive income for the three months ended March 31, 2014 and 2013:
| For the Three Months Ended March 31,
| 2014 |  | 2013
Share-based compensation: |  |  |
Cost of revenue: |  |  |
License and implementation | $ | 722 |  |  | $ | 462 |
Total included in cost of revenue | 722 |  |  | 462 |
Operating expenses: |  |  |
Selling, marketing, general and administrative | 2,672 |  |  | 2,222 |
Research and development | 965 |  |  | 736 |
Total included in operating expenses | 3,637 |  |  | 2,958 |
Total share-based compensation expense | $ | 4,359 |  |  | $ | 3,420 |
In February 2014, the number of shares available for issuance increased by 900,000 to 8,168,000 under an evergreen provision in the Company's 2007 Equity Incentive Plan ("2007 Stock Plan"). As of March 31, 2014, 934,442 shares remained available for issuance under the 2007 Stock Plan. Also in February 2014, the Company granted inducement awards in an aggregate amount of up to 308,250 shares in accordance with NYSE Rule 303A.08. These inducement awards were in the form of RSUs and MSUs granted to our Chief Operating Officer and RSUs granted to certain new employees in connection with our acquisitions of Cameleon and SignalDemand. At March 31, 2014, the Company had an estimated $60.9 million of total unrecognized compensation costs related to share-based compensation arrangements. These costs will be recognized over a weighted average period of 2.9 years. In June 2013, the Board of Directors authorized an Employee Stock Purchase Plan (“ESPP”) which provides for eligible employees to purchase shares on an after-tax basis in an amount between 1% and 10% of their annual pay: (i) on June 30 of each year at a 5% discount of the fair market value of our common stock on January 1 or June 30, whichever is lower, and (ii) on December 31 of each year at a 5% discount of the fair market value of our common stock on July 1 or December 31, whichever is lower. An employee may not purchase more than $5,000 in either of the six-month measurement periods described above or more than $10,000 annually. As of March 31, 2014, there were 500,000 shares authorized for issuance under the ESPP plan, and approximately $0.2 million was held on behalf of employees for future purchases under the ESPP and was recorded in accrued expenses and other current liabilities in the Company's balance sheet.

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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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