Business Acquisitions (Tables)

12 Months Ended

Dec. 31, 2014

Business Acquisitions

Schedule of unaudited pro forma financial information

The following table shows unaudited pro forma financial information for the years ended December 31, 2014, 2013 and 2012 (in thousands, except per unit amounts):

	Years EndedDecember 31,
	2014		2013		2012
Revenue	$	618,843	$	589,286	$	442,774
Net income	$	64,290	$	79,693	$	25,792
Basic earnings per common unit	$	0.91	$	1.27	$	0.42
Diluted earnings per common unit	$	0.91	$	1.27	$	0.42

August 2014 MidCon Acquisition

Business Acquisitions

Summary of purchase price allocation based on estimated fair values of acquired assets and liabilities as of the acquisition date

The following table summarizes the purchase price allocation based on estimated fair values of the acquired assets and liabilities as of the acquisition date (in thousands):

	Fair Value
Property, plant and equipment	$	78,356
Goodwill	3,738
Intangible assets	48,373
Current liabilities	(372		)
Purchase price	$	130,095

Schedule of amounts allocated to acquired finite-lived intangible assets, and their associated weighted-average useful lives

	Amount (Inthousands)		Average Useful Life
Customer related	$	21,590	25 years
Contract based	26,783		5 years
Total acquired identifiable intangible assets	$	48,373

April 2014 MidCon Acquisition

Business Acquisitions

Summary of purchase price allocation based on estimated fair values of acquired assets and liabilities as of the acquisition date

The following table summarizes the purchase price allocation based on estimated fair values of the acquired assets and liabilities as of the acquisition date (in thousands):

	Fair Value
Property, plant and equipment	$	311,270
Intangible assets	42,474
Current liabilities	(827		)
Purchase price	$	352,917

Schedule of amounts allocated to acquired finite-lived intangible assets, and their associated weighted-average useful lives

	Amount (Inthousands)		Average Useful Life
Customer related	$	4,701	25 years
Contract based	37,773		7 years
Total acquired identifiable intangible assets	$	42,474