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Income (Loss) Per Limited Partner Unit
 6 Months Ended
Jun. 30, 2012
Earnings Per Share [Abstract]  
Income (Loss) Per Limited Partner Unit
Income per Common Unit
The following tables provide a reconciliation of the numerator and denominator of the basic and diluted earnings per common unit computations for the three and six months ended June 30, 2012 and 2011:
 
Three Months Ended June 30,
 
2012
 
2011
 
Income
(Numerator)
 
Units
(Denominator)
 
Per-Unit
Amount
 
Income
(Numerator)
 
Units
(Denominator)
 
Per-Unit
Amount
Basic income per unit
 
 
 
 
 
 
 
 
 
 
 
Limited Partners’ interest in net income
$
24,053

 
170,107,060

 
$
0.14

 
$
10,999

 
142,937,163

 
$
0.08

Effect of Dilutive Securities:
 
 
 
 
 
 
 
 
 
 
 
Common unit options
—

 
8,474

 
 
 
—

 
25,826

 
 
Phantom units *
—

 
288,644

 
 
 
—

 
237,747

 
 
Series A Preferred Units
(5,789
)
 
4,645,229

 
 
 
(955
)
 
4,614,250

 
 
Diluted income per unit
$
18,264

 
175,049,407

 
$
0.10

 
$
10,044

 
147,814,986

 
$
0.07

 
Six Months Ended June 30,
 
2012
 
2011
 
Income
(Numerator)
 
Units
(Denominator)
 
Per-Unit
Amount
 
Income
(Numerator)
 
Units
(Denominator)
 
Per-Unit
Amount
Basic income per unit
 
 
 
 
 
 
 
 
 
 
 
Limited Partners’ interest in net income
$
47,069

 
164,398,548

 
$
0.29

 
$
21,788

 
140,135,219

 
$
0.16

Effect of Dilutive Securities:
 
 
 
 
 
 
 
 
 
 
 
Common unit options
—

 
15,033

 
 
 
—

 
28,403

 
 
Phantom units *
—

 
325,129

 
 
 
—

 
231,251

 
 
Series A Preferred Units
(3,288
)
 
4,645,229

 
 
 
(1,537
)
 
4,584,192

 
 
Diluted income per unit
$
43,781

 
169,383,939

 
$
0.26

 
$
20,251

 
144,979,065

 
$
0.14

__________________
*
Amount assumes maximum conversion rate for market condition awards.