Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating activities
Net income (loss)	$ 2,485	$ (32,906)	$ (26,306)	$ (30,728)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	65,899	85,817	188,882	183,446
Accretion	1,721	6,458	10,645	15,254
Equity compensation	3,035	2,631	8,089	6,814
Deferred income tax expense (benefit)			(57,713)	(28,837)
Amortization of debt discount and issuance costs			10,224	7,441
Contingent consideration		(4,660)		(4,825)
Impairment of long-lived assets	20	219	251	1,180
Other			(1,417)	(1,474)
Changes in operating assets and liabilities:
Accounts receivable			3,489	6,147
Prepaid expenses and other			(8,344)	(11,674)
Accounts payable			(3,839)	10,517
Accrued expenses, deferred revenue and other liabilities			21,051	(918)
Net cash provided by (used in) operating activities			145,012	152,343
Investing activities
Purchases of property and equipment			(53,830)	(39,175)
Payments for acquisitions, net of cash acquired			1,502	(717,669)
Purchases of technology-based intangible assets			(43,495)	(3,676)
Net cash provided by (used in) investing activities			(95,823)	(760,520)
Financing activities
Proceeds from Term Loan Facility				385,411
Proceeds from Senior Notes				243,453
Proceeds from Revolving Facility				60,000
Payments on Revolving Facility				(60,000)
Payments on Term Loan Facility			(13,890)	(11,870)
Payment of debt assumed from acquisition				(154,469)
Payments of deferred financing obligations			(7,621)	(6,173)
Repurchase of Parent common stock			(1,884)	(4,351)
Capital contribution from Investor Group and management				166,881
Payment of contingent consideration				(5,553)
Other				(2,500)
Net cash provided by (used in) financing activities			(23,395)	610,829
Net increase (decrease) in cash and cash equivalents			25,794	2,652
Cash and cash equivalents at beginning of period			66,655	82,306
Cash and cash equivalents at end of period	$ 92,449	$ 84,958	$ 92,449	$ 84,958