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Earnings Per Share (Details Textual)	3 Months Ended		6 Months Ended
Earnings Per Share (Details Textual)	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Dilutive options, restricted stock, performance shares and convertible securities [Member]
Earnings Per Share (Textual) [Abstract]
Anti-dilutive securities excluded from computation of earnings per share	37,140,789	31,553,214	37,425,371	35,331,648
Weighted-average options, restricted stock and performance shares [Member]
Earnings Per Share (Textual) [Abstract]
Anti-dilutive securities excluded from computation of earnings per share	3,974,932	3,441,229	3,585,274	3,544,050

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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