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Stock-Based Awards (Narrative) (Details) (USD $)
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6 Months Ended | 12 Months Ended | |
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Unrecognized compensation cost | $ 22,400,000 | ||
| Weighted average period of recognition of unrecognized compensation cost, years | 2 years 2 months 18 days | ||
| New awards authorized | 8,000,000.0 | ||
| Available for grants | 2,800,000 | ||
| Stock-based awards maximum term, years | 10 years | ||
| Payments Related to Tax Withholding for Share-based Compensation | 11,900,000 | 13,965,000 | |
| Issuance of common stock from stock-based compensation awards, including tax benefit | 13,232,000 | 21,816,000 | |
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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] | |||
| Issuance of common stock from stock-based compensation awards, including tax benefit | $ 16,800,000 | ||
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- Definition
Stock-Based Awards Maximum Term 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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- Definition
The cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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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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- Definition
Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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