Earnings Per Common Share (Narrative) (Details)	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Earnings Per Common Share
Basic, weighted average shares outstanding	211,687,000	162,576,000
Effect of common stock equivalents under incentive plans	221,000	1,197,000
Diluted weighted average shares outstanding	211,908,000	163,773,000
Effect of options to purchase common stock	3,000,000	1,100,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details