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Share-Based Compensation (Schedule Of Share-Based Compensation Information) (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Share-Based Compensation [Abstract] |  |  |  |  |  |  |  |
Expense relating to share grants (including the equity and liability awards) | $ 1,149,000 |  | $ 978,000 |  | $ 2,885,000 |  | $ 4,789,000 |
Adjustments to reflect changes in market price of Company's common stock |  |  | (39,000) |  | 10,000 |  | (707,000) |
Total charged to operations | 1,149,000 | [1] | 939,000 | [1] | 2,895,000 | [1] | 4,082,000 | [1]
Accelerated vestings included in management transition charges | $ 362,000 |  | $ 0 |  | $ 362,000 |  | $ 1,980,000 |
[1] | The amounts charged to operations include $362,000, $0, $362,000, and $1,980,000, respectively, applicable to accelerated vestings included in management transition charges and employee termination costs.

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