Earnings Per Unit (Tables)

6 Months Ended

Jun. 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 presented:

	For the Three Months Ended June 30				For the Six Months Ended June 30,
	2011		2010		2011		2010
BASIC EARNINGS PER UNIT
Numerator:
Net income attributable to partners	$	433.7	$	54.1	$	854.4	$	124.0
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	433.7	$	54.1	$	854.4	$	124.0
Denominator:
Common units		810.8		208.8		810.3		208.8
Time-vested restricted common units		4.3		--		4.2		--
Total		815.1		208.8		814.5		208.8
Basic earnings per unit:
Net income attributable to partners	$	0.53	$	0.26	$	1.05	$	0.59
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	0.53	$	0.26	$	1.05	$	0.59
DILUTED EARNINGS PER UNIT
Numerator:
Net income attributable to partners	$	433.7	$	54.1	$	854.4	$	124.0
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	433.7	$	54.1	$	854.4	$	124.0
Denominator:
Common units		810.8		208.8		810.3		208.8
Time-vested restricted common units		4.3		--		4.2		--
Class B units		4.5		--		4.5		--
Designated Units		30.6		--		30.6		--
Incremental option units		1.2		--		1.3		--
Total		851.4		208.8		850.9		208.8
Diluted earnings per unit:
Net income attributable to partners	$	0.51	$	0.26	$	1.00	$	0.59
General partner interest in net income		--		*		--		*
Net income attributable to limited partners	$	0.51	$	0.26	$	1.00	$	0.59
* Amount is negligible