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Stock-Based Awards (Narrative) (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2014
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Mar. 31, 2013
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| Share-based Compensation [Abstract] | ||
| Unrecognized compensation cost | $ 33,300,000 | |
| Weighted average period of recognition of unrecognized compensation cost, years | 2 years 7 months 0 days | |
| New awards authorized | 8,000,000.0 | |
| Available for grants | 2,300,000 | |
| Stock-based awards maximum term, years | 10 years | |
| Payments Related to Tax Withholding for Share-based Compensation | $ 5,478,000 | $ 11,142,000 |
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- Definition
Stock-Based Awards Maximum Term No definition available.
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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