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Incentive Compensation Plans (Tables) | 6 Months Ended
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Jun. 30, 2011
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] |
Stock-based Compensation Awards | We issued the following stock-based awards under the 2009 Performance Incentive Plan (the “2009 PIP”) during the six months ended June 30, 2011.
| Awards |  | Weighted-average grant-date fair value (per award)
Stock options | 0.7 |  |  | $ | 4.73 |
Stock-settled awards | 0.7 |  |  | $ | 12.83 |
Performance-based awards | 1.8 |  |  | $ | 11.43 |
Total stock-based compensation awards | 3.2 |  |  |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + Details
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