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Equity-Based Compensation (Schedule Of Number Of Awards And Weighted Average Grant Date Fair Value) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Restricted Stock [Member]
Number of Awards	6,000	6,000
Weighted Average Grant Date Fair Value	$ 13.63	$ 12.74
Restricted Stock Units (RSUs) [Member]
Number of Awards	163,834	169,867
Weighted Average Grant Date Fair Value	$ 13.95	$ 16.80

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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