Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (EPS) (Details 2)

 v2.3.0.11
Earnings Per Share (EPS) (Details 2)
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Weighted average conversion of common units
       
Antidilutive securities        
Antidilutive securities excluded from computation of diluted earnings per share (in shares)   4,558,000   4,786,000
Weighted average conversion of convertible preferred units
       
Antidilutive securities        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 176,000 176,000 176,000 176,000
Weighted average conversion of convertible preferred shares
       
Antidilutive securities        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 434,000 434,000 434,000 434,000
Weighted average restricted shares
       
Antidilutive securities        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 624,000 664,000 637,000 662,000
Weighted average options
       
Antidilutive securities        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 625,000 561,000 623,000 570,000