Stock-Based Awards (Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2017 |
Mar. 31, 2016 |
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| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Allocated Share-based compensation expense | $ 4,704 | $ 5,376 |
| Income tax benefit | (1,240) | (1,876) |
| Stock-based compensation expense after income taxes | 3,464 | 3,500 |
| Selling and marketing | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Allocated Share-based compensation expense | 1,588 | 1,808 |
| General and administrative | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Allocated Share-based compensation expense | $ 3,116 | $ 3,568 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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