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Stock-Based Awards (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Unrecognized compensation cost | $ 25.8 | |
| Weighted average period of recognition of unrecognized compensation cost, years | 2 years 4 months 18 days | |
| New awards authorized | 8,000,000 | |
| Available for grants | 2,800,000 | |
| Stock-based awards maximum term, years | 10 years | |
| Share-based compensation, minimum tax obligation, payments | 11.1 | 11.6 |
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Performance Based Equity Compensation Program [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Share-based liability | $ 16.8 | |
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- Definition
Share-based compensation, minimum tax obligation, payments. No definition available.
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- Definition
Stock-Based Awards Maximum Term No definition available.
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- Definition
Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable after one year (or the operating cycle, if longer). No definition available.
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- Definition
As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. 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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- 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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