Quarterly report pursuant to Section 13 or 15(d)

Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details)

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Mack-Cali Realty Corporation Stockholders' Equity (Schedule Of Reconciliation Of Shares Used In Basic EPS Calculation To Shares Used In Diluted EPS Calculation) (Details)
In Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Mack-Cali Realty Corporation Stockholders' Equity [Abstract]        
Basic EPS shares 87,019 79,304 85,649 79,161
Add: Operating Partnership - common units 12,799 13,073 12,864 13,196
Stock options 15 32 30 47
Restricted Stock Awards 84 55 88 63
Diluted EPS Shares 99,917 92,464 98,631 92,467