Acquisitions (Tables)

12 Months Ended

Dec. 31, 2014

Acquisitions [Abstract]

Preliminary purchase price allocation

	(In thousands)
Cash and cash equivalents	$	4,782
Accounts and notes receivable		619
Inventory		863
Restricted cash		7,522
Prepaid expenses, deferred costs, and other current assets		6,665
Property and equipment		29,500
Deferred tax assets		28,434
Intangible assets		59,673
Goodwill		78,727
Total assets acquired		216,785
Accounts payable		6,052
Accrued liabilities		25,368
Deferred revenue		56
Asset retirement obligations		9,868
Deferred tax liabilities		13,613
Total liabilities assumed		54,957
Net assets acquired	$	161,828

Schedule of intangible assets acquired

	Fair Values		Useful Lives	Weighted Average Period Before Next Renewal
	(In thousands)
Customer contracts	$	50,291	7 years	3.9 years
Trade name		9,096	15 years	N/A
Non-compete agreements		286	1 year	N/A
Total	$	59,673

Schedule of Pro Forma Results of Operations

	2013				2012
	As Reported		Pro Forma		As Reported		Pro Forma
			(unaudited)				(unaudited)
	(In thousands, excluding per share amounts)
Total revenues	$	876,486	$	938,962	$	780,449	$	883,350
Net income attributable to controlling interests and available to common stockholders		23,816		24,220		43,591		42,670
Earnings per share – basic	$	0.52	$	0.53	$	0.97	$	0.95
Earnings per share – diluted	$	0.52	$	0.53	$	0.96	$	0.94