Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (3,314)	$ (33,035)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	59,036	50,536
Gain (Loss) on Disposition of Assets	1,444	3,566
Earnings from equity method investments	(13,951)	(12,614)
Distributions from equity method investments	13,937	12,605
Amortization of debt issuance costs and discount	2,098	1,796
Deferred tax expense (benefit)	(11,525)	10,044
Non-cash equity compensation	2,632	2,196
Provision for uncollectible accounts receivable, net of recoveries	(287)	(173)
Foreign currency transaction loss (gain)	(288)	3,294
Changes in operating assets and liabilities (Note 16)	5,945	52,497
Net cash provided by operating activities	52,839	83,580
Capital expenditures	(96,261)	(131,784)
Proceeds from sale of long-lived assets	2,115	16
Contributions to equity method investments	(9,409)	(309)
Payments to Acquire Businesses, Net of Cash Acquired	(488,297)	0
Proceeds from business divestitures	0	63,830
Distributions in excess of equity in earnings of affiliates	6,538	6,545
Net cash used in investing activities	(585,314)	(61,702)
Debt issuance costs	(8,341)	(459)
Borrowings on credit facilities and issuance of senior notes, net of discount	421,006	0
Principal payments on credit facilities and other obligations	(233,876)	(134,246)
Proceeds from Issuance of Common Stock	437,469	0
Proceeds from subsidiary preferred stock issuance, net of offering costs	223,280	342,354
Payments to Noncontrolling Interests	(7,580)	0
Repurchase of common stock for payment of statutory taxes due on equity-based compensation	(680)	(381)
Payments of Dividends	(44,824)	(37,230)
Proceeds from issuance of common stock under employee stock purchase plan	137	24
Net cash provided by financing activities	786,591	170,062
Effect of exchange rate changes on cash and cash equivalents	2,789	(141)
Change in cash and cash equivalents	256,905	191,799
Cash and cash equivalents at beginning of period	86,655	93,699
Cash and cash equivalents at end of period	$ 343,560	$ 285,498