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Earnings Per Common Share (Narrative) (Details) (USD $) In Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Earnings Per Common Share |  |  |  |
Reduction in net income attributable to common shareholders | $ 0.4 | $ 0.4 | $ 0.8 | $ 0.7
Option to purchase common stock shares not included in the computation of diluted EPS | 0.7 | 2.4 | 0.7 | 2.4

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- Details
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