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Net Income (Loss) Per Common Share
9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Net Income (Loss) Per Common Share Net Income Per Common Share or Common Unit
Basic net income per common share or Common Unit is computed by dividing net income attributable to common shareholders or common unitholders, less dividends or distributions on share-based awards expected to vest (referred to as "participating securities" and primarily composed of unvested restricted stock units), by the weighted average number of common shares or Common Units outstanding for the period.
Diluted net income per common share is computed by dividing the sum of net income attributable to common shareholders and the noncontrolling interest in earnings allocable to Limited Partner Units (to the extent the Limited Partner Units are dilutive), less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average number of common shares outstanding and, to the extent they are dilutive, weighted average number of Limited Partner Units outstanding and any potential dilutive securities for the period. Diluted net income per Common Unit is computed by dividing the net income attributable to common unitholders, less dividends or distributions on participating securities that are anti-dilutive, by the sum of the weighted average
number of Common Units outstanding and any potential dilutive securities for the period. The following table reconciles the components of basic and diluted net income per common share or Common Unit (in thousands): 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2017
 
2016
 
2017
 
2016
General Partner
 
 
 
 
 
 
 
Net income attributable to common shareholders
$
165,269

 
$
112,014

 
$
1,446,012

 
$
264,388

Less: dividends on participating securities
(444
)
 
(580
)
 
(1,527
)
 
(1,751
)
Basic net income attributable to common shareholders
164,825

 
111,434

 
1,444,485

 
262,637

Add back dividends on dilutive participating securities
444

 
580

 
1,527

 
1,751

Noncontrolling interest in earnings of common unitholders
1,535

 
1,131

 
13,427

 
2,670

Diluted net income attributable to common shareholders
$
166,804

 
$
113,145

 
$
1,459,439

 
$
267,058

Weighted average number of common shares outstanding
355,905

 
351,856

 
355,614

 
348,341

Weighted average Limited Partner Units outstanding
3,301

 
3,495

 
3,307

 
3,499

Other potential dilutive shares
2,896

 
3,630

 
3,026

 
3,565

Weighted average number of common shares and potential dilutive securities
362,102

 
358,981

 
361,947

 
355,405

 
 
 
 
 
 
 
 
Partnership
 
 
 
 
 
 
 
Net income attributable to common unitholders
$
166,804

 
$
113,145

 
$
1,459,439

 
$
267,058

Less: distributions on participating securities
(444
)
 
(580
)
 
(1,527
)
 
(1,751
)
Basic net income attributable to common unitholders
$
166,360

 
$
112,565

 
$
1,457,912

 
$
265,307

Add back distributions on dilutive participating securities
444

 
580

 
1,527

 
1,751

Diluted net income attributable to common unitholders
$
166,804

 
$
113,145

 
$
1,459,439

 
$
267,058

Weighted average number of Common Units outstanding
359,206

 
355,351

 
358,921

 
351,840

Other potential dilutive units
2,896

 
3,630

 
3,026

 
3,565

Weighted average number of Common Units and potential dilutive securities
362,102

 
358,981

 
361,947

 
355,405


The following table summarizes the data that is excluded from the computation of net income per common share or Common Unit as a result of being anti-dilutive (in thousands): 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2017
 
2016
 
2017
 
2016
General Partner and Partnership
 
 
 
 
 
 
 
Other potential dilutive shares or units:
 
 
 
 
 
 
 
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans

 
170

 

 
170