Acquisition (Tables)

3 Months Ended

Mar. 31, 2012

Acquisition [Abstract]

Schedule Of Selected Financial Information

Revenues	$	1,822
Equity in earnings of equity investees	$	2,656
Net income	$	3,523

Schedule Of Pro Forma Financial Information

	Three Months Ended March 31,
	2011
Pro forma earnings data:
Revenues	$	691,554
Equity in earnings of equity investees	$	5,515
Net income	$	8,631
Basic and diluted earnings per unit:
As reported net income per unit	$	0.11
Pro forma net income per unit	$	0.13
As reported units outstanding		64,615
Pro forma units outstanding		64,615