Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 3,828	$ 14,784
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, accretion, and amortization of intangible assets	81,545	91,181
Amortization of deferred financing costs and note discount	7,885	6,622
Share-based compensation expense	10,222	9,734
Deferred income tax expense	4,395	759
Loss on disposal and impairment of assets	1,033	2,464
Other reserves and non-cash items	3,710	(5,258)
Changes in assets and liabilities:
Decrease (increase) in accounts and notes receivable, net	11,922	(10,617)
Increase in prepaid expenses, deferred costs, and other current assets	(7,082)	(10,018)
Increase in inventory, net	(382)	(790)
Decrease in other assets	7,127	3,595
Increase (decrease) in accounts payable	770	(5,500)
Decrease in restricted cash liabilities	(745)	(70,354)
(Decrease) increase in accrued liabilities	(32,027)	32,008
Decrease in other liabilities	(2,350)	(3,380)
Net cash provided by operating activities	89,851	55,230
Cash flows from investing activities:
Additions to property and equipment	(29,804)	(55,053)
Acquisitions, net of cash acquired	0	(9,100)
Net cash used in investing activities	(29,804)	(64,153)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility	747,003	290,510
Repayments of borrowings under revolving credit facility	(907,140)	(336,322)
Proceeds from issuance of term loan facility	500,000	0
Debt issuance, modification, and redemption costs	18,244	0
Repurchase of convertible notes	(171,173)	0
Tax payments related to share-based compensation	(5,751)	(2,022)
Proceeds from exercises of stock options	293	2
Repurchase of common shares	(16,873)	(20,100)
Payment of contingent consideration	(5,179)	0
Net cash used in financing activities	122,936	(67,932)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(4,788)	1,371
Net increase (decrease) in cash, cash equivalents, and restricted cash	178,195	(75,484)
Cash, cash equivalents, and restricted cash as of beginning of period	117,469	195,410
Cash, cash equivalents, and restricted cash as of end of period	295,664	119,926
Supplemental disclosure of cash flow information:
Cash paid for interest	16,154	12,085
Cash paid for income taxes	$ 2,450	$ 2,950