Net Income Per Common Unit (Tables)

3 Months Ended

Mar. 31, 2013

Net Income Per Common Unit

Schedule of calculation of net income per common unit

The following table illustrates the Partnership's calculation of net income per common unit (in thousands, except per unit information):

	Three Months Ended March 31,
	2013		2012
Net income	$	35,553	$	30,244
Net income per common unit, basic	$	0.49	$	0.41
Net income per common unit, diluted	$	0.49	$	0.41
Weighted-average common units outstanding, basic		73,065		73,031
Weighted-average common units outstanding, diluted		73,233		73,196