Income (Loss) Per Limited Partner Unit

9 Months Ended

Sep. 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 nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,
	2012							2011
	(Loss) (Numerator)			Units (Denominator)	Per-Unit Amount			Income (Numerator)			Units (Denominator)	Per-Unit Amount
Basic (loss) income per unit
Limited Partners’ interest in net (loss) income	$	(5,977	)	170,264,621	$	(0.04	)	$	26,243		145,842,735	$	0.18
Effect of Dilutive Securities:
Common unit options	—			—				—			13,633
Phantom units *	—			—				—			281,320
Series A Preferred Units	—			—				(13,233		)	4,626,197
Diluted (loss) income per unit	$	(5,977	)	170,264,621	$	(0.04	)	$	13,010		150,763,885	$	0.09

	Nine Months Ended September 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	$	41,092		166,368,178	$	0.25	$	48,031		142,058,631	$	0.34
Effect of Dilutive Securities:
Common unit options	—			13,113			—			23,450
Phantom units *	—			320,452			—			237,192
Series A Preferred Units	(2,713		)	4,651,884			(14,770		)	4,626,197
Diluted income per unit	$	38,379		171,353,627	$	0.22	$	33,261		146,945,470	$	0.23

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* Amount assumes maximum conversion rate for market condition awards.

The following data show securities that could potentially dilute earnings per unit in the future that were not included in the computation of diluted earnings per unit because to do so would have been antidilutive for the periods presented:

	Three Months Ended September 30, 2012
Common unit options	9,147
Phantom units *	313,378
Series A Preferred Units	4,651,884

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* Amount assumes maximum conversion rate for market condition awards.