Earnings Per Unit (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Unit [Abstract]

Basic and Diluted Earnings Per Unit

The following table presents our calculation of basic and diluted earnings per unit for the periods indicated:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2011		2010		2011		2010
BASIC EARNINGS PER UNIT
Numerator:
Net income attributable to partners	$	471.4	$	37.0	$	1,325.8	$	161.0
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	471.4	$	37.0	$	1,325.8	$	161.0
Denominator:
Common units		817.9		208.8		812.9		208.8
Time-vested restricted common units		4.0		--		4.1		--
Total		821.9		208.8		817.0		208.8
Basic earnings per unit:
Net income attributable to partners	$	0.57	$	0.18	$	1.62	$	0.77
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	0.57	$	0.18	$	1.62	$	0.77
DILUTED EARNINGS PER UNIT
Numerator:
Net income attributable to partners	$	471.4	$	37.0	$	1,325.8	$	161.0
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	471.4	$	37.0	$	1,325.8	$	161.0
Denominator:
Common units		817.9		208.8		812.9		208.8
Time-vested restricted common units		4.0		--		4.1		--
Class B units		4.5		--		4.5		--
Designated Units		30.6		--		30.6		--
Incremental option units		1.2		--		1.2		--
Total		858.2		208.8		853.3		208.8
Diluted earnings per unit:
Net income attributable to partners	$	0.55	$	0.18	$	1.55	$	0.77
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	0.55	$	0.18	$	1.55	$	0.77
* Amount is negligible