Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net (loss) income	$ (894)	$ 15,359
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation, accretion, and amortization of intangible assets	44,301	31,940
Amortization of deferred financing costs and note discount	2,976	2,782
Share-based compensation expense	2,197	3,168
Deferred income taxes	(4,060)	3,076
Loss on disposal and impairment of assets	3,194	382
Other reserves and non-cash items	(1,198)	(768)
Changes in assets and liabilities:
Decrease (increase) in accounts and notes receivable, net	215	(2,014)
Increase in prepaid expenses, deferred costs, and other current assets	(2,726)	(2,103)
(Increase) decrease in inventory, net	(1,037)	1,222
(Increase) decrease in other assets	(14,894)	1,820
Decrease in accounts payable	(24,206)	(4,573)
Increase (decrease) in accrued liabilities	9,906	(3,830)
Decrease in other liabilities	(3,325)	(1,807)
Net cash provided by operating activities	10,449	44,654
Cash flows from investing activities:
Additions to property and equipment	(38,561)	(16,451)
Acquisitions, net of cash acquired	(487,077)	(2,743)
Proceeds from sale of assets and businesses		7,438
Net cash used in investing activities	(525,638)	(11,756)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility	624,199	56,494
Repayments of borrowings under revolving credit facility	(133,399)	(86,418)
Tax payments related to share-based compensation	(7,602)
Proceeds from exercises of stock options	3	133
Additional tax (expense) related to share-based compensation		(400)
Repurchase of common shares		(3,850)
Net cash provided by (used in) financing activities	483,201	(34,041)
Effect of exchange rate changes on cash	(1,301)	(105)
Net decrease in cash and cash equivalents	(33,289)	(1,248)
Cash and cash equivalents as of beginning of period	73,534	26,297
Cash and cash equivalents as of end of period	40,245	25,049
Supplemental disclosure of cash flow information:
Cash paid for interest	8,277	6,904
Cash paid for income taxes	$ 299	$ 1,133