Benefit Plans (Details) In Thousands | 9 Months Ended |
|---|---|
Sep. 30, 2011 | |
| Summary of share-based award activity | |
| Balance at December 31, 2010 | 10,449 |
| Options granted | (913) |
| Restricted stock units granted | (2,784) |
| Options cancelled | 556 |
| Restricted stock units cancelled | 951 |
| Options expired | 40 |
| Balance at September 30, 2011 | 8,299 |
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- Definition Share based compensation arrangement by share based payment award RSU cancelled in period.
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- Definition Share based compensation arrangement by share based payment award RSU grants in period.
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- Definition Share based compensation arrangement by share based payment award number of shares available for grant cancelled.
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- Definition Share based compensation arrangement by share based payment award option expirations in period.
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- Definition Summary of share-based award activity.
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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 Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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