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Earnings Per Share (Narrative) (Details)	3 Months Ended		6 Months Ended
Earnings Per Share (Narrative) (Details)	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Earnings Per Share
Potentially dilutive securities not included in the calculation of diluted EPS because the exercise or purchase prices were greater than the average market price of our common shares	0	0	0	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would have been antidilutive for the period presented.

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